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10102221122022 = 232561234506779
BaseRepresentation
bin1001001100000001101101…
…0011010010100111100110
31022202202121011022021200200
42103000123103102213212
52311003322101401042
633252521334251330
72061601312503231
oct223003323224746
938682534267620
1010102221122022
113245367505a57
121171a654b6b46
13583834b83643
1426cd43168418
15127bae16cc4c
hex9301b4d29e6

10102221122022 has 12 divisors (see below), whose sum is σ = 21888145764420. Its totient is φ = 3367407040668.

The previous prime is 10102221122003. The next prime is 10102221122027. The reversal of 10102221122022 is 22022112220101.

It is a happy number.

It is a super-2 number, since 2×101022211220222 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 561234506779 = 10102221122022 / (1 + 0 + 1 + 0 + 2 + 2 + 2 + 1 + 1 + 2 + 2 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 10102221121986 and 10102221122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102221122027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280617253372 + ... + 280617253407.

It is an arithmetic number, because the mean of its divisors is an integer number (1824012147035).

Almost surely, 210102221122022 is an apocalyptic number.

10102221122022 is an abundant number, since it is smaller than the sum of its proper divisors (11785924642398).

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

10102221122022 is a wasteful number, since it uses less digits than its factorization.

10102221122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561234506787 (or 561234506784 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10102221122022 its reverse (22022112220101), we get a palindrome (32124333342123).

The spelling of 10102221122022 in words is "ten trillion, one hundred two billion, two hundred twenty-one million, one hundred twenty-two thousand, twenty-two".

Divisors: 1 2 3 6 9 18 561234506779 1122469013558 1683703520337 3367407040674 5051110561011 10102221122022