22131304033021 has 16 divisors (see below), whose sum is σ = 22403696273280. Its totient is φ = 21860807155200.

The previous prime is 22131304033001. The next prime is 22131304033051. The reversal of 22131304033021 is 12033040313122.

It is a cyclic number.

It is not a de Polignac number, because 22131304033021 - 2¹¹ = 22131304030973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131304033001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27331045 + ... + 28129141.

It is an arithmetic number, because the mean of its divisors is an integer number (1400231017080).

Almost surely, 2^{22131304033021} is an apocalyptic number.

It is an amenable number.

22131304033021 is a deficient number, since it is larger than the sum of its proper divisors (272392240259).

22131304033021 is a wasteful number, since it uses less digits than its factorization.

22131304033021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799284.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 22131304033021 its reverse (12033040313122), we get a palindrome (34164344346143).

The spelling of 22131304033021 in words is "twenty-two trillion, one hundred thirty-one billion, three hundred four million, thirty-three thousand, twenty-one".