2116612326331 has 4 divisors (see below), whose sum is σ = 2116659437464. Its totient is φ = 2116565215200.

The previous prime is 2116612326299. The next prime is 2116612326397. The reversal of 2116612326331 is 1336232166112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2116612326331 - 2⁵ = 2116612326299 is a prime.

It is a super-2 number, since 2×2116612326331² (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 (2116612326931) 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, 23488110 + ... + 23578051.

It is an arithmetic number, because the mean of its divisors is an integer number (529164859366).

Almost surely, 2^{2116612326331} is an apocalyptic number.

2116612326331 is a deficient number, since it is larger than the sum of its proper divisors (47111133).

2116612326331 is an equidigital number, since it uses as much as digits as its factorization.

2116612326331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47111132.

The product of its digits is 46656, while the sum is 37.

The spelling of 2116612326331 in words is "two trillion, one hundred sixteen billion, six hundred twelve million, three hundred twenty-six thousand, three hundred thirty-one".