21002022013130 has 16 divisors (see below), whose sum is σ = 37803891166560. Its totient is φ = 8400752906832.

The previous prime is 21002022013109. The next prime is 21002022013157. The reversal of 21002022013130 is 3131022020012.

It is a junction number, because it is equal to n+sod(n) for n = 21002022013099 and 21002022013108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5391944 + ... + 8430723.

It is an arithmetic number, because the mean of its divisors is an integer number (2362743197910).

Almost surely, 2^{21002022013130} is an apocalyptic number.

21002022013130 is a deficient number, since it is larger than the sum of its proper divisors (16801869153430).

21002022013130 is a wasteful number, since it uses less digits than its factorization.

21002022013130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13974613.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21002022013130 its reverse (3131022020012), we get a palindrome (24133044033142).

The spelling of 21002022013130 in words is "twenty-one trillion, two billion, twenty-two million, thirteen thousand, one hundred thirty".