1110231300221 has 4 divisors (see below), whose sum is σ = 1110273797244. Its totient is φ = 1110188803200.

The previous prime is 1110231300187. The next prime is 1110231300229. The reversal of 1110231300221 is 1220031320111.

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 671762191321 + 438469108900 = 819611^2 + 662170^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110231300221 - 2¹⁰ = 1110231299197 is a prime.

It is a super-2 number, since 2×1110231300221² (a number of 25 digits) contains 22 as substring.

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 1110231300221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110231300229) 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, 21209300 + ... + 21261581.

It is an arithmetic number, because the mean of its divisors is an integer number (277568449311).

Almost surely, 2^{1110231300221} is an apocalyptic number.

It is an amenable number.

1110231300221 is a deficient number, since it is larger than the sum of its proper divisors (42497023).

1110231300221 is an equidigital number, since it uses as much as digits as its factorization.

1110231300221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42497022.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1110231300221 its reverse (1220031320111), we get a palindrome (2330262620332).

The spelling of 1110231300221 in words is "one trillion, one hundred ten billion, two hundred thirty-one million, three hundred thousand, two hundred twenty-one".