21120133102113 has 8 divisors (see below), whose sum is σ = 29131218072000. Its totient is φ = 13594568433488.

The previous prime is 21120133102097. The next prime is 21120133102151. The reversal of 21120133102113 is 31120133102112.

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

It is a cyclic number.

It is not a de Polignac number, because 21120133102113 - 2⁴ = 21120133102097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21120133102113.

It is not an unprimeable number, because it can be changed into a prime (21120133101113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121380075213 + ... + 121380075386.

It is an arithmetic number, because the mean of its divisors is an integer number (3641402259000).

Almost surely, 2^{21120133102113} is an apocalyptic number.

It is an amenable number.

21120133102113 is a deficient number, since it is larger than the sum of its proper divisors (8011084969887).

21120133102113 is a wasteful number, since it uses less digits than its factorization.

21120133102113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242760150631.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 21120133102113 its reverse (31120133102112), we get a palindrome (52240266204225).

Subtracting 21120133102113 from its reverse (31120133102112), we obtain a palindrome (9999999999999).

The spelling of 21120133102113 in words is "twenty-one trillion, one hundred twenty billion, one hundred thirty-three million, one hundred two thousand, one hundred thirteen".