122103131100 has 72 divisors (see below), whose sum is σ = 361501029120. Its totient is φ = 31803602880.

The previous prime is 122103131099. The next prime is 122103131107. The reversal of 122103131100 is 1131301221.

It is a happy number.

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 122103131100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122103131107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4719780 + ... + 4745579.

Almost surely, 2^122103131100 is an apocalyptic number.

122103131100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122103131100 is an abundant number, since it is smaller than the sum of its proper divisors (239397898020).

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

122103131100 is a wasteful number, since it uses less digits than its factorization.

122103131100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9465419 (or 9465412 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 122103131100 its reverse (1131301221), we get a palindrome (123234432321).

The spelling of 122103131100 in words is "one hundred twenty-two billion, one hundred three million, one hundred thirty-one thousand, one hundred".