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10121102210220 = 2235343081491677
BaseRepresentation
bin1001001101001000000010…
…1100111011010010101100
31022211120100000101221111120
42103102000230323102230
52311311004131211340
633305323053420540
72063140230216501
oct223220054732254
938746300357446
1010121102210220
113252376382a81
12117565479a750
135855537b8591
1426dc149cb4a8
15128416a694d0
hex93480b3b4ac

10121102210220 has 48 divisors (see below), whose sum is σ = 28339226428128. Its totient is φ = 2698947233280.

The previous prime is 10121102210159. The next prime is 10121102210221. The reversal of 10121102210220 is 2201220112101.

It is a super-3 number, since 3×101211022102203 (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10121102210220.

It is not an unprimeable number, because it can be changed into a prime (10121102210221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20339022 + ... + 20830698.

It is an arithmetic number, because the mean of its divisors is an integer number (590400550586).

Almost surely, 210121102210220 is an apocalyptic number.

10121102210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121102210220 is an abundant number, since it is smaller than the sum of its proper divisors (18218124217908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10121102210220 is a wasteful number, since it uses less digits than its factorization.

10121102210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834770 (or 834768 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10121102210220 its reverse (2201220112101), we get a palindrome (12322322322321).

The spelling of 10121102210220 in words is "ten trillion, one hundred twenty-one billion, one hundred two million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 343081 491677 686162 983354 1029243 1372324 1475031 1715405 1966708 2058486 2458385 2950062 3430810 4116972 4916770 5146215 5900124 6861620 7375155 9833540 10292430 14750310 20584860 29500620 168685036837 337370073674 506055110511 674740147348 843425184185 1012110221022 1686850368370 2024220442044 2530275552555 3373700736740 5060551105110 10121102210220