22102012010 has 48 divisors (see below), whose sum is σ = 45217619496. Its totient is φ = 7731213696.

The previous prime is 22102011887. The next prime is 22102012027. The reversal of 22102012010 is 1021020122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20246728681 + 1855283329 = 142291^2 + 43073^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22102011982 and 22102012000.

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, 188549 + ... + 282408.

Almost surely, 2^22102012010 is an apocalyptic number.

22102012010 is an abundant number, since it is smaller than the sum of its proper divisors (23115607486).

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

22102012010 is a wasteful number, since it uses less digits than its factorization.

22102012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471015 (or 470996 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22102012010 its reverse (1021020122), we get a palindrome (23123032132).

The spelling of 22102012010 in words is "twenty-two billion, one hundred two million, twelve thousand, ten".