2122320113231 has 8 divisors (see below), whose sum is σ = 2127241276224. Its totient is φ = 2117400405120.

The previous prime is 2122320113209. The next prime is 2122320113233. The reversal of 2122320113231 is 1323110232212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122320113231 is a prime.

It is a super-2 number, since 2×2122320113231² (a number of 25 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 = 2122320113197 and 2122320113206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122320113233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2584835 + ... + 3305451.

It is an arithmetic number, because the mean of its divisors is an integer number (265905159528).

Almost surely, 2^{2122320113231} is an apocalyptic number.

2122320113231 is a deficient number, since it is larger than the sum of its proper divisors (4921162993).

2122320113231 is an equidigital number, since it uses as much as digits as its factorization.

2122320113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727441.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2122320113231 its reverse (1323110232212), we get a palindrome (3445430345443).

The spelling of 2122320113231 in words is "two trillion, one hundred twenty-two billion, three hundred twenty million, one hundred thirteen thousand, two hundred thirty-one".