213222211131331 has 2 divisors, whose sum is σ = 213222211131332. Its totient is φ = 213222211131330.

The previous prime is 213222211131317. The next prime is 213222211131337. The reversal of 213222211131331 is 133131112222312.

213222211131331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213222211131331 - 2²⁷ = 213222076913603 is a prime.

It is a super-2 number, since 2×213222211131331² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213222211131331.

It is not a weakly prime, because it can be changed into another prime (213222211131337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106611105565665 + 106611105565666.

It is an arithmetic number, because the mean of its divisors is an integer number (106611105565666).

Almost surely, 2^{213222211131331} is an apocalyptic number.

213222211131331 is a deficient number, since it is larger than the sum of its proper divisors (1).

213222211131331 is an equidigital number, since it uses as much as digits as its factorization.

213222211131331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

Adding to 213222211131331 its reverse (133131112222312), we get a palindrome (346353323353643).

The spelling of 213222211131331 in words is "two hundred thirteen trillion, two hundred twenty-two billion, two hundred eleven million, one hundred thirty-one thousand, three hundred thirty-one".