2213331211231 has 12 divisors (see below), whose sum is σ = 2594345549400. Its totient is φ = 1882659040080.

The previous prime is 2213331211219. The next prime is 2213331211249. The reversal of 2213331211231 is 1321121333122.

It is not a de Polignac number, because 2213331211231 - 2³⁵ = 2178971472863 is a prime.

It is a super-2 number, since 2×2213331211231² (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 = 2213331211196 and 2213331211205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213331211291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172398256 + ... + 172411093.

It is an arithmetic number, because the mean of its divisors is an integer number (216195462450).

Almost surely, 2^{2213331211231} is an apocalyptic number.

2213331211231 is a deficient number, since it is larger than the sum of its proper divisors (381014338169).

2213331211231 is a wasteful number, since it uses less digits than its factorization.

2213331211231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344809494 (or 344809487 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

Adding to 2213331211231 its reverse (1321121333122), we get a palindrome (3534452544353).

The spelling of 2213331211231 in words is "two trillion, two hundred thirteen billion, three hundred thirty-one million, two hundred eleven thousand, two hundred thirty-one".