21130011302 has 16 divisors (see below), whose sum is σ = 33386224560. Its totient is φ = 10002038112.

The previous prime is 21130011293. The next prime is 21130011313. The reversal of 21130011302 is 20311003112.

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, 136133 + ... + 246560.

It is an arithmetic number, because the mean of its divisors is an integer number (2086639035).

Almost surely, 2^21130011302 is an apocalyptic number.

21130011302 is a deficient number, since it is larger than the sum of its proper divisors (12256213258).

21130011302 is a wasteful number, since it uses less digits than its factorization.

21130011302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384167.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21130011302 its reverse (20311003112), we get a palindrome (41441014414).

The spelling of 21130011302 in words is "twenty-one billion, one hundred thirty million, eleven thousand, three hundred two".