11312222233211 has 4 divisors (see below), whose sum is σ = 11356238662392. Its totient is φ = 11268205804032.

The previous prime is 11312222233159. The next prime is 11312222233217. The reversal of 11312222233211 is 11233222221311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11312222233211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312222233217) 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, 22008214205 + ... + 22008214718.

It is an arithmetic number, because the mean of its divisors is an integer number (2839059665598).

Almost surely, 2^{11312222233211} is an apocalyptic number.

11312222233211 is a deficient number, since it is larger than the sum of its proper divisors (44016429181).

11312222233211 is an equidigital number, since it uses as much as digits as its factorization.

11312222233211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44016429180.

The product of its digits is 1728, while the sum is 26.

Adding to 11312222233211 its reverse (11233222221311), we get a palindrome (22545444454522).

The spelling of 11312222233211 in words is "eleven trillion, three hundred twelve billion, two hundred twenty-two million, two hundred thirty-three thousand, two hundred eleven".