222013311131 has 4 divisors (see below), whose sum is σ = 222330021264. Its totient is φ = 221696601000.

The previous prime is 222013311127. The next prime is 222013311133. The reversal of 222013311131 is 131113310222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222013311131 - 2² = 222013311127 is a prime.

It is a super-2 number, since 2×222013311131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222013311133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158354015 + ... + 158355416.

It is an arithmetic number, because the mean of its divisors is an integer number (55582505316).

Almost surely, 2^222013311131 is an apocalyptic number.

222013311131 is a deficient number, since it is larger than the sum of its proper divisors (316710133).

222013311131 is an equidigital number, since it uses as much as digits as its factorization.

222013311131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316710132.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 222013311131 its reverse (131113310222), we get a palindrome (353126621353).

Subtracting from 222013311131 its reverse (131113310222), we obtain a palindrome (90900000909).

The spelling of 222013311131 in words is "two hundred twenty-two billion, thirteen million, three hundred eleven thousand, one hundred thirty-one".