21130301022 has 16 divisors (see below), whose sum is σ = 42262041600. Its totient is φ = 7043193752.

The previous prime is 21130300993. The next prime is 21130301041. The reversal of 21130301022 is 22010303112.

It is a junction number, because it is equal to n+sod(n) for n = 21130300992 and 21130301010.

It is a congruent number.

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, 273229 + ... + 341927.

It is an arithmetic number, because the mean of its divisors is an integer number (2641377600).

Almost surely, 2^21130301022 is an apocalyptic number.

21130301022 is an abundant number, since it is smaller than the sum of its proper divisors (21131740578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21130301022 is a wasteful number, since it uses less digits than its factorization.

21130301022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119967.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21130301022 its reverse (22010303112), we get a palindrome (43140604134).

The spelling of 21130301022 in words is "twenty-one billion, one hundred thirty million, three hundred one thousand, twenty-two".