22020131122021 has 8 divisors (see below), whose sum is σ = 22348998790560. Its totient is φ = 21691269600528.

The previous prime is 22020131122013. The next prime is 22020131122027. The reversal of 22020131122021 is 12022113102022.

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 22020131122021 - 2³ = 22020131122013 is a prime.

It is a super-2 number, since 2×22020131122021² (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 22020131122021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020131122027) 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, 5951655 + ... + 8914171.

It is an arithmetic number, because the mean of its divisors is an integer number (2793624848820).

Almost surely, 2^{22020131122021} is an apocalyptic number.

It is an amenable number.

22020131122021 is a deficient number, since it is larger than the sum of its proper divisors (328867668539).

22020131122021 is a wasteful number, since it uses less digits than its factorization.

22020131122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3073523.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22020131122021 its reverse (12022113102022), we get a palindrome (34042244224043).

The spelling of 22020131122021 in words is "twenty-two trillion, twenty billion, one hundred thirty-one million, one hundred twenty-two thousand, twenty-one".