2312112213321 has 16 divisors (see below), whose sum is σ = 3127068540288. Its totient is φ = 1519293574400.

The previous prime is 2312112213293. The next prime is 2312112213349. The reversal of 2312112213321 is 1233122112132.

It is an interprime number because it is at equal distance from previous prime (2312112213293) and next prime (2312112213349).

It is a cyclic number.

It is not a de Polignac number, because 2312112213321 - 2¹⁰ = 2312112212297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2312112213291 and 2312112213300.

It is not an unprimeable number, because it can be changed into a prime (2312112213721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642006 + ... + 2244191.

It is an arithmetic number, because the mean of its divisors is an integer number (195441783768).

Almost surely, 2^{2312112213321} is an apocalyptic number.

It is an amenable number.

2312112213321 is a deficient number, since it is larger than the sum of its proper divisors (814956326967).

2312112213321 is a wasteful number, since it uses less digits than its factorization.

2312112213321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890032.

The product of its digits is 864, while the sum is 24.

Adding to 2312112213321 its reverse (1233122112132), we get a palindrome (3545234325453).

The spelling of 2312112213321 in words is "two trillion, three hundred twelve billion, one hundred twelve million, two hundred thirteen thousand, three hundred twenty-one".