21232312201113 has 8 divisors (see below), whose sum is σ = 30487422647808. Its totient is φ = 13066038277584.

The previous prime is 21232312201027. The next prime is 21232312201117. The reversal of 21232312201113 is 31110221323212.

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

It is not a de Polignac number, because 21232312201113 - 2⁹ = 21232312200601 is a prime.

It is a super-2 number, since 2×21232312201113² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21232312201117) 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, 272209130745 + ... + 272209130822.

It is an arithmetic number, because the mean of its divisors is an integer number (3810927830976).

Almost surely, 2^{21232312201113} is an apocalyptic number.

It is an amenable number.

21232312201113 is a deficient number, since it is larger than the sum of its proper divisors (9255110446695).

21232312201113 is a wasteful number, since it uses less digits than its factorization.

21232312201113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544418261583.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 21232312201113 its reverse (31110221323212), we get a palindrome (52342533524325).

The spelling of 21232312201113 in words is "twenty-one trillion, two hundred thirty-two billion, three hundred twelve million, two hundred one thousand, one hundred thirteen".