21331143001113 has 32 divisors (see below), whose sum is σ = 31302925770240. Its totient is φ = 12813054186240.

The previous prime is 21331143001097. The next prime is 21331143001139. The reversal of 21331143001113 is 31110034113312.

It is not a de Polignac number, because 21331143001113 - 2⁴ = 21331143001097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21331143001513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108710470 + ... + 108906512.

It is an arithmetic number, because the mean of its divisors is an integer number (978216430320).

Almost surely, 2^{21331143001113} is an apocalyptic number.

It is an amenable number.

21331143001113 is a deficient number, since it is larger than the sum of its proper divisors (9971782769127).

21331143001113 is a wasteful number, since it uses less digits than its factorization.

21331143001113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225349.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 21331143001113 its reverse (31110034113312), we get a palindrome (52441177114425).

The spelling of 21331143001113 in words is "twenty-one trillion, three hundred thirty-one billion, one hundred forty-three million, one thousand, one hundred thirteen".