22111122002210 has 16 divisors (see below), whose sum is σ = 40030077523896. Its totient is φ = 8793324818688.

The previous prime is 22111122002197. The next prime is 22111122002227. The reversal of 22111122002210 is 1220022111122.

It can be written as a sum of positive squares in 4 ways, for example, as 18345313958449 + 3765808043761 = 4283143^2 + 1940569^2 .

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, 6390495959 + ... + 6390499418.

Almost surely, 2^{22111122002210} is an apocalyptic number.

22111122002210 is a deficient number, since it is larger than the sum of its proper divisors (17918955521686).

22111122002210 is a wasteful number, since it uses less digits than its factorization.

22111122002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12780995557.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22111122002210 its reverse (1220022111122), we get a palindrome (23331144113332).

The spelling of 22111122002210 in words is "twenty-two trillion, one hundred eleven billion, one hundred twenty-two million, two thousand, two hundred ten".