22231322011111 has 4 divisors (see below), whose sum is σ = 23539046835312. Its totient is φ = 20923597186912.

The previous prime is 22231322011007. The next prime is 22231322011123. The reversal of 22231322011111 is 11111022313222.

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 22231322011111 - 2³⁵ = 22196962272743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231322011181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653862412075 + ... + 653862412108.

It is an arithmetic number, because the mean of its divisors is an integer number (5884761708828).

Almost surely, 2^{22231322011111} is an apocalyptic number.

22231322011111 is a deficient number, since it is larger than the sum of its proper divisors (1307724824201).

22231322011111 is a wasteful number, since it uses less digits than its factorization.

22231322011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307724824200.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 22231322011111 its reverse (11111022313222), we get a palindrome (33342344324333).

The spelling of 22231322011111 in words is "twenty-two trillion, two hundred thirty-one billion, three hundred twenty-two million, eleven thousand, one hundred eleven".