22142051321311 has 4 divisors (see below), whose sum is σ = 22656982747432. Its totient is φ = 21627119895192.

The previous prime is 22142051321293. The next prime is 22142051321321. The reversal of 22142051321311 is 11312315024122.

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 22142051321311 - 2¹³ = 22142051313119 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 22142051321311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142051321321) 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, 257465712996 + ... + 257465713081.

It is an arithmetic number, because the mean of its divisors is an integer number (5664245686858).

Almost surely, 2^{22142051321311} is an apocalyptic number.

22142051321311 is a deficient number, since it is larger than the sum of its proper divisors (514931426121).

22142051321311 is an equidigital number, since it uses as much as digits as its factorization.

22142051321311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514931426120.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 22142051321311 its reverse (11312315024122), we get a palindrome (33454366345433).

The spelling of 22142051321311 in words is "twenty-two trillion, one hundred forty-two billion, fifty-one million, three hundred twenty-one thousand, three hundred eleven".