122111021320 has 32 divisors (see below), whose sum is σ = 286695443520. Its totient is φ = 46720738240.

The previous prime is 122111021309. The next prime is 122111021323. The reversal of 122111021320 is 23120111221.

It is a super-2 number, since 2×122111021320² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122111021294 and 122111021303.

It is not an unprimeable number, because it can be changed into a prime (122111021323) 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, 66363766 + ... + 66365605.

It is an arithmetic number, because the mean of its divisors is an integer number (8959232610).

Almost surely, 2^122111021320 is an apocalyptic number.

122111021320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122111021320 is an abundant number, since it is smaller than the sum of its proper divisors (164584422200).

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

122111021320 is a wasteful number, since it uses less digits than its factorization.

122111021320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132729405 (or 132729401 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 122111021320 its reverse (23120111221), we get a palindrome (145231132541).

The spelling of 122111021320 in words is "one hundred twenty-two billion, one hundred eleven million, twenty-one thousand, three hundred twenty".