2312113310221 has 16 divisors (see below), whose sum is σ = 2744332331328. Its totient is φ = 1920232512000.

The previous prime is 2312113310209. The next prime is 2312113310231. The reversal of 2312113310221 is 1220133112132.

It is a de Polignac number, because none of the positive numbers 2^k-2312113310221 is a prime.

It is a super-2 number, since 2×2312113310221² (a number of 26 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 = 2312113310192 and 2312113310201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312113310231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83329555 + ... + 83357296.

It is an arithmetic number, because the mean of its divisors is an integer number (171520770708).

Almost surely, 2^{2312113310221} is an apocalyptic number.

It is an amenable number.

2312113310221 is a deficient number, since it is larger than the sum of its proper divisors (432219021107).

2312113310221 is a wasteful number, since it uses less digits than its factorization.

2312113310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166686972.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2312113310221 its reverse (1220133112132), we get a palindrome (3532246422353).

The spelling of 2312113310221 in words is "two trillion, three hundred twelve billion, one hundred thirteen million, three hundred ten thousand, two hundred twenty-one".