21002113230022 has 8 divisors (see below), whose sum is σ = 31691811581136. Its totient is φ = 10438176036312.

The previous prime is 21002113229987. The next prime is 21002113230029. The reversal of 21002113230022 is 22003231120012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21002113230029) 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, 31440288933 + ... + 31440289600.

It is an arithmetic number, because the mean of its divisors is an integer number (3961476447642).

Almost surely, 2^{21002113230022} is an apocalyptic number.

21002113230022 is a deficient number, since it is larger than the sum of its proper divisors (10689698351114).

21002113230022 is a wasteful number, since it uses less digits than its factorization.

21002113230022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62880578702.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21002113230022 its reverse (22003231120012), we get a palindrome (43005344350034).

The spelling of 21002113230022 in words is "twenty-one trillion, two billion, one hundred thirteen million, two hundred thirty thousand, twenty-two".