10113231132221 has 4 divisors (see below), whose sum is σ = 11557978436832. Its totient is φ = 8668483827612.

The previous prime is 10113231132119. The next prime is 10113231132247. The reversal of 10113231132221 is 12223113231101.

It is a happy number.

10113231132221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10113231132221 - 2³⁰ = 10112157390397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10113231132271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722373652295 + ... + 722373652308.

It is an arithmetic number, because the mean of its divisors is an integer number (2889494609208).

Almost surely, 2^{10113231132221} is an apocalyptic number.

It is an amenable number.

10113231132221 is a deficient number, since it is larger than the sum of its proper divisors (1444747304611).

10113231132221 is an equidigital number, since it uses as much as digits as its factorization.

10113231132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444747304610.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 10113231132221 its reverse (12223113231101), we get a palindrome (22336344363322).

The spelling of 10113231132221 in words is "ten trillion, one hundred thirteen billion, two hundred thirty-one million, one hundred thirty-two thousand, two hundred twenty-one".