21622675130021 has 16 divisors (see below), whose sum is σ = 26013238425600. Its totient is φ = 17557589086128.

The previous prime is 21622675129997. The next prime is 21622675130057. The reversal of 21622675130021 is 12003157622612.

It is not a de Polignac number, because 21622675130021 - 2¹⁰ = 21622675128997 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 (21622675130521) 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, 377720 + ... + 6586958.

It is an arithmetic number, because the mean of its divisors is an integer number (1625827401600).

Almost surely, 2^{21622675130021} is an apocalyptic number.

It is an amenable number.

21622675130021 is a deficient number, since it is larger than the sum of its proper divisors (4390563295579).

21622675130021 is a wasteful number, since it uses less digits than its factorization.

21622675130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6235448.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 21622675130021 in words is "twenty-one trillion, six hundred twenty-two billion, six hundred seventy-five million, one hundred thirty thousand, twenty-one".