2212231100331 has 32 divisors (see below), whose sum is σ = 3381673075200. Its totient is φ = 1260139060224.

The previous prime is 2212231100327. The next prime is 2212231100341. The reversal of 2212231100331 is 1330011322122.

It is not a de Polignac number, because 2212231100331 - 2² = 2212231100327 is a prime.

It is a super-2 number, since 2×2212231100331² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2212231100298 and 2212231100307.

It is not an unprimeable number, because it can be changed into a prime (2212231100311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23400145 + ... + 23494493.

It is an arithmetic number, because the mean of its divisors is an integer number (105677283600).

Almost surely, 2^{2212231100331} is an apocalyptic number.

2212231100331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2212231100331 is a deficient number, since it is larger than the sum of its proper divisors (1169441974869).

2212231100331 is a wasteful number, since it uses less digits than its factorization.

2212231100331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97875.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2212231100331 its reverse (1330011322122), we get a palindrome (3542242422453).

The spelling of 2212231100331 in words is "two trillion, two hundred twelve billion, two hundred thirty-one million, one hundred thousand, three hundred thirty-one".