22214431231111 has 8 divisors (see below), whose sum is σ = 25388508201344. Its totient is φ = 19040500959480.

The previous prime is 22214431231051. The next prime is 22214431231117. The reversal of 22214431231111 is 11113213441222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22214431231111 - 2³⁹ = 21664675417223 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 22214431231111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22214431231117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36349965 + ... + 36956038.

It is an arithmetic number, because the mean of its divisors is an integer number (3173563525168).

Almost surely, 2^{22214431231111} is an apocalyptic number.

22214431231111 is a deficient number, since it is larger than the sum of its proper divisors (3174076970233).

22214431231111 is an equidigital number, since it uses as much as digits as its factorization.

22214431231111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73349301.

The product of its digits is 2304, while the sum is 28.

Adding to 22214431231111 its reverse (11113213441222), we get a palindrome (33327644672333).

The spelling of 22214431231111 in words is "twenty-two trillion, two hundred fourteen billion, four hundred thirty-one million, two hundred thirty-one thousand, one hundred eleven".