122211111320 has 16 divisors (see below), whose sum is σ = 274975000560. Its totient is φ = 48884444512.

The previous prime is 122211111299. The next prime is 122211111353. The reversal of 122211111320 is 23111112221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1527638852 + ... + 1527638931.

It is an arithmetic number, because the mean of its divisors is an integer number (17185937535).

Almost surely, 2^122211111320 is an apocalyptic number.

122211111320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122211111320 is an abundant number, since it is smaller than the sum of its proper divisors (152763889240).

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

122211111320 is a wasteful number, since it uses less digits than its factorization.

122211111320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055277794 (or 3055277790 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 122211111320 its reverse (23111112221), we get a palindrome (145322223541).

Subtracting from 122211111320 its reverse (23111112221), we obtain a palindrome (99099999099).

The spelling of 122211111320 in words is "one hundred twenty-two billion, two hundred eleven million, one hundred eleven thousand, three hundred twenty".