2120113022031 has 6 divisors (see below), whose sum is σ = 3062385476280. Its totient is φ = 1413408681348.

The previous prime is 2120113022011. The next prime is 2120113022117. The reversal of 2120113022031 is 1302203110212.

It is not a de Polignac number, because 2120113022031 - 2¹³ = 2120113013839 is a prime.

It is a super-2 number, since 2×2120113022031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2120113021995 and 2120113022013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120113022011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117784056771 + ... + 117784056788.

It is an arithmetic number, because the mean of its divisors is an integer number (510397579380).

Almost surely, 2^{2120113022031} is an apocalyptic number.

2120113022031 is a deficient number, since it is larger than the sum of its proper divisors (942272454249).

2120113022031 is a wasteful number, since it uses less digits than its factorization.

2120113022031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235568113565 (or 235568113562 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2120113022031 its reverse (1302203110212), we get a palindrome (3422316132243).

The spelling of 2120113022031 in words is "two trillion, one hundred twenty billion, one hundred thirteen million, twenty-two thousand, thirty-one".