121022020132331 has 32 divisors (see below), whose sum is σ = 127723541299200. Its totient is φ = 114518172759840.

The previous prime is 121022020132301. The next prime is 121022020132337. The reversal of 121022020132331 is 133231020220121.

It is a cyclic number.

It is not a de Polignac number, because 121022020132331 - 2⁶ = 121022020132267 is a prime.

It is a super-2 number, since 2×121022020132331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121022020132297 and 121022020132306.

It is not an unprimeable number, because it can be changed into a prime (121022020132337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268734956 + ... + 269184918.

It is an arithmetic number, because the mean of its divisors is an integer number (3991360665600).

Almost surely, 2^{121022020132331} is an apocalyptic number.

121022020132331 is a deficient number, since it is larger than the sum of its proper divisors (6701521166869).

121022020132331 is a wasteful number, since it uses less digits than its factorization.

121022020132331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450839.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 121022020132331 its reverse (133231020220121), we get a palindrome (254253040352452).

The spelling of 121022020132331 in words is "one hundred twenty-one trillion, twenty-two billion, twenty million, one hundred thirty-two thousand, three hundred thirty-one".