122100111320 has 32 divisors (see below), whose sum is σ = 299700274320. Its totient is φ = 44400040320.

The previous prime is 122100111319. The next prime is 122100111361. The reversal of 122100111320 is 23111001221.

It is a junction number, because it is equal to n+sod(n) for n = 122100111295 and 122100111304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138749687 + ... + 138750566.

Almost surely, 2^122100111320 is an apocalyptic number.

122100111320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122100111320 is an abundant number, since it is smaller than the sum of its proper divisors (177600163000).

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

122100111320 is a wasteful number, since it uses less digits than its factorization.

122100111320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277500275 (or 277500271 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 122100111320 its reverse (23111001221), we get a palindrome (145211112541).

It can be divided in two parts, 1221001 and 11320, that added together give a palindrome (1232321).

The spelling of 122100111320 in words is "one hundred twenty-two billion, one hundred million, one hundred eleven thousand, three hundred twenty".