113221300300021 has 8 divisors (see below), whose sum is σ = 115358493182904. Its totient is φ = 111084142303680.

The previous prime is 113221300300019. The next prime is 113221300300033. The reversal of 113221300300021 is 120003003122311.

It can be written as a sum of positive squares in 4 ways, for example, as 54446246712900 + 58775053587121 = 7378770^2 + 7666489^2 .

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 113221300300021 - 2¹ = 113221300300019 is a prime.

It is a super-2 number, since 2×113221300300021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113221300300061) 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, 2122866 + ... + 15197011.

It is an arithmetic number, because the mean of its divisors is an integer number (14419811647863).

Almost surely, 2^{113221300300021} is an apocalyptic number.

It is an amenable number.

113221300300021 is a deficient number, since it is larger than the sum of its proper divisors (2137192882883).

113221300300021 is a wasteful number, since it uses less digits than its factorization.

113221300300021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17443271.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 113221300300021 its reverse (120003003122311), we get a palindrome (233224303422332).

The spelling of 113221300300021 in words is "one hundred thirteen trillion, two hundred twenty-one billion, three hundred million, three hundred thousand, twenty-one".