122100020111100 has 72 divisors (see below), whose sum is σ = 353301746129920. Its totient is φ = 32557637810880.

The previous prime is 122100020111081. The next prime is 122100020111131. The reversal of 122100020111100 is 1111020001221.

122100020111100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×122100020111100² (a number of 29 digits) contains 22 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 an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10662622 + ... + 18918021.

Almost surely, 2^{122100020111100} is an apocalyptic number.

122100020111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122100020111100 is an abundant number, since it is smaller than the sum of its proper divisors (231201726018820).

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

122100020111100 is a wasteful number, since it uses less digits than its factorization.

122100020111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29594419 (or 29594412 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 122100020111100 its reverse (1111020001221), we get a palindrome (123211040112321).

The spelling of 122100020111100 in words is "one hundred twenty-two trillion, one hundred billion, twenty million, one hundred eleven thousand, one hundred".