2112023013131 has 4 divisors (see below), whose sum is σ = 2131761546072. Its totient is φ = 2092284480192.

The previous prime is 2112023013119. The next prime is 2112023013143. The reversal of 2112023013131 is 1313103202112.

It is a happy number.

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 (2112023013119) and next prime (2112023013143).

It is a cyclic number.

It is not a de Polignac number, because 2112023013131 - 2¹⁴ = 2112022996747 is a prime.

It is a super-2 number, since 2×2112023013131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112023012131) 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, 9869266310 + ... + 9869266523.

It is an arithmetic number, because the mean of its divisors is an integer number (532940386518).

Almost surely, 2^{2112023013131} is an apocalyptic number.

2112023013131 is a deficient number, since it is larger than the sum of its proper divisors (19738532941).

2112023013131 is a wasteful number, since it uses less digits than its factorization.

2112023013131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19738532940.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2112023013131 its reverse (1313103202112), we get a palindrome (3425126215243).

The spelling of 2112023013131 in words is "two trillion, one hundred twelve billion, twenty-three million, thirteen thousand, one hundred thirty-one".