110111033221021 has 16 divisors (see below), whose sum is σ = 126559233607680. Its totient is φ = 93842808520320.

The previous prime is 110111033220941. The next prime is 110111033221037. The reversal of 110111033221021 is 120122330111011.

It is a cyclic number.

It is not a de Polignac number, because 110111033221021 - 2²⁷ = 110110899003293 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 110111033221021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110111033281021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16412086 + ... + 22126423.

It is an arithmetic number, because the mean of its divisors is an integer number (7909952100480).

Almost surely, 2^{110111033221021} is an apocalyptic number.

It is an amenable number.

110111033221021 is a deficient number, since it is larger than the sum of its proper divisors (16448200386659).

110111033221021 is a wasteful number, since it uses less digits than its factorization.

110111033221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38540844.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 110111033221021 its reverse (120122330111011), we get a palindrome (230233363332032).

The spelling of 110111033221021 in words is "one hundred ten trillion, one hundred eleven billion, thirty-three million, two hundred twenty-one thousand, twenty-one".