122001131100 has 36 divisors (see below), whose sum is σ = 352989940184. Its totient is φ = 32533634880.

The previous prime is 122001131039. The next prime is 122001131107. The reversal of 122001131100 is 1131100221.

122001131100 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×122001131100⁴ (a number of 45 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122001131107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203334919 + ... + 203335518.

Almost surely, 2^122001131100 is an apocalyptic number.

122001131100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122001131100 is an abundant number, since it is smaller than the sum of its proper divisors (230988809084).

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

122001131100 is a wasteful number, since it uses less digits than its factorization.

122001131100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406670454 (or 406670447 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 122001131100 its reverse (1131100221), we get a palindrome (123132231321).

The spelling of 122001131100 in words is "one hundred twenty-two billion, one million, one hundred thirty-one thousand, one hundred".