31122110022001 has 8 divisors (see below), whose sum is σ = 31141200647808. Its totient is φ = 31103024430000.

The previous prime is 31122110021963. The next prime is 31122110022007. The reversal of 31122110022001 is 10022001122113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31122110022001 - 2²⁵ = 31122076467569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31122110022007) 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, 11148051 + ... + 13657351.

It is an arithmetic number, because the mean of its divisors is an integer number (3892650080976).

Almost surely, 2^{31122110022001} is an apocalyptic number.

It is an amenable number.

31122110022001 is a deficient number, since it is larger than the sum of its proper divisors (19090625807).

31122110022001 is a wasteful number, since it uses less digits than its factorization.

31122110022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516903.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 31122110022001 its reverse (10022001122113), we get a palindrome (41144111144114).

The spelling of 31122110022001 in words is "thirty-one trillion, one hundred twenty-two billion, one hundred ten million, twenty-two thousand, one".