22523011142021 has 8 divisors (see below), whose sum is σ = 24255640953600. Its totient is φ = 20790394258032.

The previous prime is 22523011142003. The next prime is 22523011142041. The reversal of 22523011142021 is 12024111032522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22523011142021 - 2²² = 22523006947717 is a prime.

It is a super-2 number, since 2×22523011142021² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22523011142041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550580 + ... + 6734178.

It is an arithmetic number, because the mean of its divisors is an integer number (3031955119200).

Almost surely, 2^{22523011142021} is an apocalyptic number.

It is an amenable number.

22523011142021 is a deficient number, since it is larger than the sum of its proper divisors (1732629811579).

22523011142021 is a wasteful number, since it uses less digits than its factorization.

22523011142021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6463795.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 22523011142021 its reverse (12024111032522), we get a palindrome (34547122174543).

The spelling of 22523011142021 in words is "twenty-two trillion, five hundred twenty-three billion, eleven million, one hundred forty-two thousand, twenty-one".