22100102010 has 72 divisors (see below), whose sum is σ = 66841546356. Its totient is φ = 5051450880.

The previous prime is 22100102009. The next prime is 22100102029. The reversal of 22100102010 is 1020100122.

It can be written as a sum of positive squares in 2 ways, for example, as 22099498281 + 603729 = 148659^2 + 777^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22100101983 and 22100102001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2501271 + ... + 2510090.

Almost surely, 2^22100102010 is an apocalyptic number.

22100102010 is an abundant number, since it is smaller than the sum of its proper divisors (44741444346).

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

22100102010 is a wasteful number, since it uses less digits than its factorization.

22100102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011388 (or 5011378 counting only the distinct ones).

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

Adding to 22100102010 its reverse (1020100122), we get a palindrome (23120202132).

The spelling of 22100102010 in words is "twenty-two billion, one hundred million, one hundred two thousand, ten".