113320102102021 has 4 divisors (see below), whose sum is σ = 113326256473452. Its totient is φ = 113313947730592.

The previous prime is 113320102102019. The next prime is 113320102102049. The reversal of 113320102102021 is 120201201023311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60327671533921 + 52992430568100 = 7767089^2 + 7279590^2 .

It is a cyclic number.

It is not a de Polignac number, because 113320102102021 - 2¹ = 113320102102019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113320102102021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113320102102001) 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, 3077158096 + ... + 3077194921.

It is an arithmetic number, because the mean of its divisors is an integer number (28331564118363).

Almost surely, 2^{113320102102021} is an apocalyptic number.

It is an amenable number.

113320102102021 is a deficient number, since it is larger than the sum of its proper divisors (6154371431).

113320102102021 is an equidigital number, since it uses as much as digits as its factorization.

113320102102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6154371430.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 113320102102021 its reverse (120201201023311), we get a palindrome (233521303125332).

The spelling of 113320102102021 in words is "one hundred thirteen trillion, three hundred twenty billion, one hundred two million, one hundred two thousand, twenty-one".