122211122110 has 128 divisors (see below), whose sum is σ = 280890021888. Its totient is φ = 37181760000.

The previous prime is 122211122087. The next prime is 122211122113. The reversal of 122211122110 is 11221112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122211122113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5510604 + ... + 5532736.

It is an arithmetic number, because the mean of its divisors is an integer number (2194453296).

Almost surely, 2^122211122110 is an apocalyptic number.

122211122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122211122110 is an abundant number, since it is smaller than the sum of its proper divisors (158678899778).

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

122211122110 is a wasteful number, since it uses less digits than its factorization.

122211122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22330.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122211122110 its reverse (11221112221), we get a palindrome (133432234331).

The spelling of 122211122110 in words is "one hundred twenty-two billion, two hundred eleven million, one hundred twenty-two thousand, one hundred ten".