22100120010 has 48 divisors (see below), whose sum is σ = 58247456904. Its totient is φ = 5812632576.

The previous prime is 22100119981. The next prime is 22100120023. The reversal of 22100120010 is 1002100122.

It can be written as a sum of positive squares in 4 ways, for example, as 21942793161 + 157326849 = 148131^2 + 12543^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 22100119974 and 22100120001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1675327 + ... + 1688466.

Almost surely, 2^22100120010 is an apocalyptic number.

22100120010 is an abundant number, since it is smaller than the sum of its proper divisors (36147336894).

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

22100120010 is a wasteful number, since it uses less digits than its factorization.

22100120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363879 (or 3363876 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 22100120010 its reverse (1002100122), we get a palindrome (23102220132).

The spelling of 22100120010 in words is "twenty-two billion, one hundred million, one hundred twenty thousand, ten".