110113033021 has 4 divisors (see below), whose sum is σ = 110258493532. Its totient is φ = 109967572512.

The previous prime is 110113033007. The next prime is 110113033027. The reversal of 110113033021 is 120330311011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 120330311011 = 292249 ⋅411739.

It can be written as a sum of positive squares in 2 ways, for example, as 73828497796 + 36284535225 = 271714^2 + 190485^2 .

It is a cyclic number.

It is not a de Polignac number, because 110113033021 - 2²⁵ = 110079478589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110113032986 and 110113033004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110113033027) 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, 72729120 + ... + 72730633.

It is an arithmetic number, because the mean of its divisors is an integer number (27564623383).

Almost surely, 2^110113033021 is an apocalyptic number.

It is an amenable number.

110113033021 is a deficient number, since it is larger than the sum of its proper divisors (145460511).

110113033021 is an equidigital number, since it uses as much as digits as its factorization.

110113033021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145460510.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 110113033021 its reverse (120330311011), we get a palindrome (230443344032).

The spelling of 110113033021 in words is "one hundred ten billion, one hundred thirteen million, thirty-three thousand, twenty-one".