122011202100 has 36 divisors (see below), whose sum is σ = 353019078944. Its totient is φ = 32536320480.

The previous prime is 122011202077. The next prime is 122011202111. The reversal of 122011202100 is 1202110221.

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 11 ways as a sum of consecutive naturals, for example, 203351704 + ... + 203352303.

Almost surely, 2^122011202100 is an apocalyptic number.

122011202100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122011202100 is an abundant number, since it is smaller than the sum of its proper divisors (231007876844).

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

122011202100 is a wasteful number, since it uses less digits than its factorization.

122011202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406704024 (or 406704017 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122011202100 its reverse (1202110221), we get a palindrome (123213312321).

The spelling of 122011202100 in words is "one hundred twenty-two billion, eleven million, two hundred two thousand, one hundred".