122211121100 has 36 divisors (see below), whose sum is σ = 267823879008. Its totient is φ = 48400440000.

The previous prime is 122211121063. The next prime is 122211121121. The reversal of 122211121100 is 1121112221.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6039956 + ... + 6060155.

Almost surely, 2^122211121100 is an apocalyptic number.

122211121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122211121100 is an abundant number, since it is smaller than the sum of its proper divisors (145612757908).

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

122211121100 is a wasteful number, since it uses less digits than its factorization.

122211121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12100226 (or 12100219 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122211121100 its reverse (1121112221), we get a palindrome (123332233321).

The spelling of 122211121100 in words is "one hundred twenty-two billion, two hundred eleven million, one hundred twenty-one thousand, one hundred".