22130021332331 has 4 divisors (see below), whose sum is σ = 24141841453464. Its totient is φ = 20118201211200.

The previous prime is 22130021332261. The next prime is 22130021332381. The reversal of 22130021332331 is 13323312003122.

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 22130021332331 - 2¹⁰ = 22130021331307 is a prime.

It is a super-2 number, since 2×22130021332331² (a number of 27 digits) contains 22 as substring.

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 22130021332331.

It is not an unprimeable number, because it can be changed into a prime (22130021332381) 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, 1005910060550 + ... + 1005910060571.

It is an arithmetic number, because the mean of its divisors is an integer number (6035460363366).

Almost surely, 2^{22130021332331} is an apocalyptic number.

22130021332331 is a deficient number, since it is larger than the sum of its proper divisors (2011820121133).

22130021332331 is a wasteful number, since it uses less digits than its factorization.

22130021332331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011820121132.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 22130021332331 its reverse (13323312003122), we get a palindrome (35453333335453).

The spelling of 22130021332331 in words is "twenty-two trillion, one hundred thirty billion, twenty-one million, three hundred thirty-two thousand, three hundred thirty-one".