122011133100 has 36 divisors (see below), whose sum is σ = 353018879304. Its totient is φ = 32536302080.

The previous prime is 122011133017. The next prime is 122011133119. The reversal of 122011133100 is 1331110221.

It is a happy number.

It is a super-2 number, since 2×122011133100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122011133100.

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 11 ways as a sum of consecutive naturals, for example, 203351589 + ... + 203352188.

Almost surely, 2^122011133100 is an apocalyptic number.

122011133100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122011133100 is an abundant number, since it is smaller than the sum of its proper divisors (231007746204).

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

122011133100 is a wasteful number, since it uses less digits than its factorization.

122011133100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406703794 (or 406703787 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 122011133100 its reverse (1331110221), we get a palindrome (123342243321).

The spelling of 122011133100 in words is "one hundred twenty-two billion, eleven million, one hundred thirty-three thousand, one hundred".