222312302011 has 4 divisors (see below), whose sum is σ = 229483666624. Its totient is φ = 215140937400.

The previous prime is 222312301999. The next prime is 222312302027. The reversal of 222312302011 is 110203213222.

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 222312302011 - 2²⁷ = 222178084283 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 222312302011.

It is not an unprimeable number, because it can be changed into a prime (222312302041) 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, 3585682260 + ... + 3585682321.

It is an arithmetic number, because the mean of its divisors is an integer number (57370916656).

Almost surely, 2^222312302011 is an apocalyptic number.

222312302011 is a deficient number, since it is larger than the sum of its proper divisors (7171364613).

222312302011 is an equidigital number, since it uses as much as digits as its factorization.

222312302011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7171364612.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 222312302011 its reverse (110203213222), we get a palindrome (332515515233).

The spelling of 222312302011 in words is "two hundred twenty-two billion, three hundred twelve million, three hundred two thousand, eleven".