222011311323 has 4 divisors (see below), whose sum is σ = 296015081768. Its totient is φ = 148007540880.

The previous prime is 222011311259. The next prime is 222011311339. The reversal of 222011311323 is 323113110222.

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

It is not a de Polignac number, because 222011311323 - 2⁶ = 222011311259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222011311323.

It is not an unprimeable number, because it can be changed into a prime (222011311373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37001885218 + ... + 37001885223.

It is an arithmetic number, because the mean of its divisors is an integer number (74003770442).

Almost surely, 2^222011311323 is an apocalyptic number.

222011311323 is a deficient number, since it is larger than the sum of its proper divisors (74003770445).

222011311323 is an equidigital number, since it uses as much as digits as its factorization.

222011311323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74003770444.

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

Adding to 222011311323 its reverse (323113110222), we get a palindrome (545124421545).

The spelling of 222011311323 in words is "two hundred twenty-two billion, eleven million, three hundred eleven thousand, three hundred twenty-three".