122101232100 has 72 divisors (see below), whose sum is σ = 362827694208. Its totient is φ = 31680316800.

The previous prime is 122101232069. The next prime is 122101232117. The reversal of 122101232100 is 1232101221.

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 122101232100.

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, 5488956 + ... + 5511155.

Almost surely, 2^122101232100 is an apocalyptic number.

122101232100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122101232100 is an abundant number, since it is smaller than the sum of its proper divisors (240726462108).

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

122101232100 is a wasteful number, since it uses less digits than its factorization.

122101232100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000165 (or 11000158 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 122101232100 its reverse (1232101221), we get a palindrome (123333333321).

The spelling of 122101232100 in words is "one hundred twenty-two billion, one hundred one million, two hundred thirty-two thousand, one hundred".