121112332121031 has 4 divisors (see below), whose sum is σ = 161483109494712. Its totient is φ = 80741554747352.

The previous prime is 121112332121021. The next prime is 121112332121041. The reversal of 121112332121031 is 130121233211121.

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

It is an interprime number because it is at equal distance from previous prime (121112332121021) and next prime (121112332121041).

It is a cyclic number.

It is not a de Polignac number, because 121112332121031 - 2³⁹ = 120562576307143 is a prime.

It is a super-2 number, since 2×121112332121031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121112332120992 and 121112332121010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112332121021) 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, 20185388686836 + ... + 20185388686841.

It is an arithmetic number, because the mean of its divisors is an integer number (40370777373678).

Almost surely, 2^{121112332121031} is an apocalyptic number.

121112332121031 is a deficient number, since it is larger than the sum of its proper divisors (40370777373681).

121112332121031 is an equidigital number, since it uses as much as digits as its factorization.

121112332121031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40370777373680.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 121112332121031 its reverse (130121233211121), we get a palindrome (251233565332152).

The spelling of 121112332121031 in words is "one hundred twenty-one trillion, one hundred twelve billion, three hundred thirty-two million, one hundred twenty-one thousand, thirty-one".