11122021122 has 32 divisors (see below), whose sum is σ = 22806862848. Its totient is φ = 3613881936.

The previous prime is 11122021117. The next prime is 11122021181. The reversal of 11122021122 is 22112022111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86923 + ... + 172625.

It is an arithmetic number, because the mean of its divisors is an integer number (712714464).

Almost surely, 2^11122021122 is an apocalyptic number.

11122021122 is an abundant number, since it is smaller than the sum of its proper divisors (11684841726).

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

11122021122 is a wasteful number, since it uses less digits than its factorization.

11122021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86254.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11122021122 its reverse (22112022111), we get a palindrome (33234043233).

The spelling of 11122021122 in words is "eleven billion, one hundred twenty-two million, twenty-one thousand, one hundred twenty-two".