121022320321031 has 4 divisors (see below), whose sum is σ = 121352081412192. Its totient is φ = 120692559229872.

The previous prime is 121022320321003. The next prime is 121022320321043. The reversal of 121022320321031 is 130123023220121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121022320321031 - 2²² = 121022316126727 is a prime.

It is a super-2 number, since 2×121022320321031² (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 = 121022320320988 and 121022320321006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022320321061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164880545030 + ... + 164880545763.

It is an arithmetic number, because the mean of its divisors is an integer number (30338020353048).

Almost surely, 2^{121022320321031} is an apocalyptic number.

121022320321031 is a deficient number, since it is larger than the sum of its proper divisors (329761091161).

121022320321031 is an equidigital number, since it uses as much as digits as its factorization.

121022320321031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329761091160.

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

Adding to 121022320321031 its reverse (130123023220121), we get a palindrome (251145343541152).

The spelling of 121022320321031 in words is "one hundred twenty-one trillion, twenty-two billion, three hundred twenty million, three hundred twenty-one thousand, thirty-one".