22012122211210 has 16 divisors (see below), whose sum is σ = 39675874318056. Its totient is φ = 8792836809408.

The previous prime is 22012122211207. The next prime is 22012122211241. The reversal of 22012122211210 is 1211222121022.

It can be written as a sum of positive squares in 4 ways, for example, as 20812126844961 + 1199995366249 = 4562031^2 + 1095443^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1501501689 + ... + 1501516348.

Almost surely, 2^{22012122211210} is an apocalyptic number.

22012122211210 is a deficient number, since it is larger than the sum of its proper divisors (17663752106846).

22012122211210 is a wasteful number, since it uses less digits than its factorization.

22012122211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003018777.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22012122211210 its reverse (1211222121022), we get a palindrome (23223344332232).

The spelling of 22012122211210 in words is "twenty-two trillion, twelve billion, one hundred twenty-two million, two hundred eleven thousand, two hundred ten".