22102312221331 has 4 divisors (see below), whose sum is σ = 22102460840392. Its totient is φ = 22102163602272.

The previous prime is 22102312221287. The next prime is 22102312221371. The reversal of 22102312221331 is 13312221320122.

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 22102312221331 - 2²³ = 22102303832723 is a prime.

It is a super-2 number, since 2×22102312221331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22102312221296 and 22102312221305.

It is not an unprimeable number, because it can be changed into a prime (22102312221371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74086230 + ... + 74383963.

It is an arithmetic number, because the mean of its divisors is an integer number (5525615210098).

Almost surely, 2^{22102312221331} is an apocalyptic number.

22102312221331 is a deficient number, since it is larger than the sum of its proper divisors (148619061).

22102312221331 is a wasteful number, since it uses less digits than its factorization.

22102312221331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148619060.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 22102312221331 its reverse (13312221320122), we get a palindrome (35414533541453).

The spelling of 22102312221331 in words is "twenty-two trillion, one hundred two billion, three hundred twelve million, two hundred twenty-one thousand, three hundred thirty-one".