121310022122031 has 4 divisors (see below), whose sum is σ = 161746696162712. Its totient is φ = 80873348081352.

The previous prime is 121310022121993. The next prime is 121310022122059. The reversal of 121310022122031 is 130221220013121.

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

It is not a de Polignac number, because 121310022122031 - 2²⁶ = 121309955013167 is a prime.

It is a super-2 number, since 2×121310022122031² (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 = 121310022121989 and 121310022122007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121310022129031) 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, 20218337020336 + ... + 20218337020341.

It is an arithmetic number, because the mean of its divisors is an integer number (40436674040678).

Almost surely, 2^{121310022122031} is an apocalyptic number.

121310022122031 is a deficient number, since it is larger than the sum of its proper divisors (40436674040681).

121310022122031 is an equidigital number, since it uses as much as digits as its factorization.

121310022122031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40436674040680.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121310022122031 its reverse (130221220013121), we get a palindrome (251531242135152).

The spelling of 121310022122031 in words is "one hundred twenty-one trillion, three hundred ten billion, twenty-two million, one hundred twenty-two thousand, thirty-one".