121022331320 has 32 divisors (see below), whose sum is σ = 297054814320. Its totient is φ = 44008120320.

The previous prime is 121022331307. The next prime is 121022331323. The reversal of 121022331320 is 23133220121.

121022331320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 121022331292 and 121022331301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022331323) 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, 137524937 + ... + 137525816.

Almost surely, 2^121022331320 is an apocalyptic number.

121022331320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121022331320 is an abundant number, since it is smaller than the sum of its proper divisors (176032483000).

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

121022331320 is a wasteful number, since it uses less digits than its factorization.

121022331320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275050775 (or 275050771 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 121022331320 its reverse (23133220121), we get a palindrome (144155551441).

The spelling of 121022331320 in words is "one hundred twenty-one billion, twenty-two million, three hundred thirty-one thousand, three hundred twenty".