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10220221000121 = 1131136811219071
BaseRepresentation
bin1001010010111001010010…
…1001000110100110111001
31100012001011202220011202012
42110232110221012212321
52314422003034000441
633423034341215305
72103246414065366
oct224562451064671
940161152804665
1010220221000121
11329040a34a970
1211908b7401535
135919bb880012
142749389c346d
1512acb87399eb
hex94b94a469b9

10220221000121 has 16 divisors (see below), whose sum is σ = 11509124530176. Its totient is φ = 8991290010000.

The previous prime is 10220221000111. The next prime is 10220221000139. The reversal of 10220221000121 is 12100012202201.

It is a cyclic number.

It is not a de Polignac number, because 10220221000121 - 210 = 10220220999097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10220221000096 and 10220221000105.

It is not an unprimeable number, because it can be changed into a prime (10220221000111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46543016 + ... + 46762086.

It is an arithmetic number, because the mean of its divisors is an integer number (719320283136).

Almost surely, 210220221000121 is an apocalyptic number.

10220221000121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10220221000121 is a deficient number, since it is larger than the sum of its proper divisors (1288903530055).

10220221000121 is a wasteful number, since it uses less digits than its factorization.

10220221000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355924.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10220221000121 its reverse (12100012202201), we get a palindrome (22320233202322).

The spelling of 10220221000121 in words is "ten trillion, two hundred twenty billion, two hundred twenty-one million, one hundred twenty-one", and thus it is an aban number.

Divisors: 1 11 31 341 136811 219071 1504921 2409781 4241141 6791201 46652551 74703211 29971322581 329684548391 929111000011 10220221000121