21230221022113 has 8 divisors (see below), whose sum is σ = 21918675662336. Its totient is φ = 20541991932000.

The previous prime is 21230221022111. The next prime is 21230221022177. The reversal of 21230221022113 is 31122012203212.

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 21230221022113 - 2¹ = 21230221022111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21230221022111) 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, 56196213 + ... + 56572738.

It is an arithmetic number, because the mean of its divisors is an integer number (2739834457792).

Almost surely, 2^{21230221022113} is an apocalyptic number.

It is an amenable number.

21230221022113 is a deficient number, since it is larger than the sum of its proper divisors (688454640223).

21230221022113 is a wasteful number, since it uses less digits than its factorization.

21230221022113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112775055.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21230221022113 its reverse (31122012203212), we get a palindrome (52352233225325).

The spelling of 21230221022113 in words is "twenty-one trillion, two hundred thirty billion, two hundred twenty-one million, twenty-two thousand, one hundred thirteen".