2311222332321 has 40 divisors (see below), whose sum is σ = 3951619510080. Its totient is φ = 1318747446432.

The previous prime is 2311222332313. The next prime is 2311222332347. The reversal of 2311222332321 is 1232332221132.

2311222332321 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 2 + 2 + 2 + 332 + 321 = 666.

It is not a de Polignac number, because 2311222332321 - 2³ = 2311222332313 is a prime.

It is a super-2 number, since 2×2311222332321² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2311222332721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2626651 + ... + 3394368.

It is an arithmetic number, because the mean of its divisors is an integer number (98790487752).

Almost surely, 2^{2311222332321} is an apocalyptic number.

2311222332321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2311222332321 is a deficient number, since it is larger than the sum of its proper divisors (1640397177759).

2311222332321 is an equidigital number, since it uses as much as digits as its factorization.

2311222332321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6021715 (or 6021706 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 2311222332321 its reverse (1232332221132), we get a palindrome (3543554553453).

The spelling of 2311222332321 in words is "two trillion, three hundred eleven billion, two hundred twenty-two million, three hundred thirty-two thousand, three hundred twenty-one".