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10102211022220 = 2251105745682423
BaseRepresentation
bin1001001100000001101010…
…1100110000110110001100
31022202202120110022011100221
42103000122230300312030
52311003312010202340
633252520334001124
72061601130606602
oct223003254606614
938682513264327
1010102211022220
113245361837909
121171a620461a4
13583832a58525
1426cd41a99872
15127bad32544a
hex9301ab30d8c

10102211022220 has 24 divisors (see below), whose sum is σ = 21216562272864. Its totient is φ = 4040518861056.

The previous prime is 10102211022203. The next prime is 10102211022227. The reversal of 10102211022220 is 2222011220101.

It is a happy number.

It is a super-3 number, since 3×101022110222203 (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10102211022194 and 10102211022203.

It is not an unprimeable number, because it can be changed into a prime (10102211022227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22620072 + ... + 23062351.

It is an arithmetic number, because the mean of its divisors is an integer number (884023428036).

Almost surely, 210102211022220 is an apocalyptic number.

10102211022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10102211022220 is an abundant number, since it is smaller than the sum of its proper divisors (11114351250644).

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

10102211022220 is a wasteful number, since it uses less digits than its factorization.

10102211022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45693489 (or 45693487 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10102211022220 its reverse (2222011220101), we get a palindrome (12324222242321).

The spelling of 10102211022220 in words is "ten trillion, one hundred two billion, two hundred eleven million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 11057 22114 44228 55285 110570 221140 45682423 91364846 182729692 228412115 456824230 913648460 505110551111 1010221102222 2020442204444 2525552755555 5051105511110 10102211022220