122200331100 has 72 divisors (see below), whose sum is σ = 355110448560. Its totient is φ = 32444436480.

The previous prime is 122200331023. The next prime is 122200331119. The reversal of 122200331100 is 1133002221.

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 122200331100.

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, 820677 + ... + 958076.

Almost surely, 2^122200331100 is an apocalyptic number.

122200331100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122200331100 is an abundant number, since it is smaller than the sum of its proper divisors (232910117460).

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

122200331100 is a wasteful number, since it uses less digits than its factorization.

122200331100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778999 (or 1778992 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 122200331100 its reverse (1133002221), we get a palindrome (123333333321).

The spelling of 122200331100 in words is "one hundred twenty-two billion, two hundred million, three hundred thirty-one thousand, one hundred".