113020101221 has 4 divisors (see below), whose sum is σ = 115648475712. Its totient is φ = 110391726732.

The previous prime is 113020101179. The next prime is 113020101241. The reversal of 113020101221 is 122101020311.

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 a cyclic number.

It is not a de Polignac number, because 113020101221 - 2¹⁰ = 113020100197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113020101196 and 113020101205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113020101241) 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, 1314187181 + ... + 1314187266.

It is an arithmetic number, because the mean of its divisors is an integer number (28912118928).

Almost surely, 2^113020101221 is an apocalyptic number.

It is an amenable number.

113020101221 is a deficient number, since it is larger than the sum of its proper divisors (2628374491).

113020101221 is an equidigital number, since it uses as much as digits as its factorization.

113020101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628374490.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 113020101221 its reverse (122101020311), we get a palindrome (235121121532).

The spelling of 113020101221 in words is "one hundred thirteen billion, twenty million, one hundred one thousand, two hundred twenty-one".