122111130320 has 40 divisors (see below), whose sum is σ = 293066718720. Its totient is φ = 47268823680.

The previous prime is 122111130313. The next prime is 122111130329. The reversal of 122111130320 is 23031111221.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×122111130320² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122111130329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24616700 + ... + 24621659.

It is an arithmetic number, because the mean of its divisors is an integer number (7326667968).

Almost surely, 2^122111130320 is an apocalyptic number.

122111130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122111130320 is an abundant number, since it is smaller than the sum of its proper divisors (170955588400).

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

122111130320 is a wasteful number, since it uses less digits than its factorization.

122111130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49238403 (or 49238397 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 122111130320 its reverse (23031111221), we get a palindrome (145142241541).

The spelling of 122111130320 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred thirty thousand, three hundred twenty".