22131114444213 has 4 divisors (see below), whose sum is σ = 29508152592288. Its totient is φ = 14754076296140.

The previous prime is 22131114444209. The next prime is 22131114444323. The reversal of 22131114444213 is 31244441113122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22131114444213 - 2² = 22131114444209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131114444113) 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, 3688519074033 + ... + 3688519074038.

It is an arithmetic number, because the mean of its divisors is an integer number (7377038148072).

Almost surely, 2^{22131114444213} is an apocalyptic number.

It is an amenable number.

22131114444213 is a deficient number, since it is larger than the sum of its proper divisors (7377038148075).

22131114444213 is an equidigital number, since it uses as much as digits as its factorization.

22131114444213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7377038148074.

The product of its digits is 18432, while the sum is 33.

Adding to 22131114444213 its reverse (31244441113122), we get a palindrome (53375555557335).

The spelling of 22131114444213 in words is "twenty-two trillion, one hundred thirty-one billion, one hundred fourteen million, four hundred forty-four thousand, two hundred thirteen".