110123203021 has 16 divisors (see below), whose sum is σ = 121528028160. Its totient is φ = 99139178880.

The previous prime is 110123203019. The next prime is 110123203051. The reversal of 110123203021 is 120302321011.

It is a cyclic number.

It is not a de Polignac number, because 110123203021 - 2¹ = 110123203019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110123202986 and 110123203004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110123203051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1607556 + ... + 1674658.

It is an arithmetic number, because the mean of its divisors is an integer number (7595501760).

Almost surely, 2^110123203021 is an apocalyptic number.

It is an amenable number.

110123203021 is a deficient number, since it is larger than the sum of its proper divisors (11404825139).

110123203021 is a wasteful number, since it uses less digits than its factorization.

110123203021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70236.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 110123203021 its reverse (120302321011), we get a palindrome (230425524032).

The spelling of 110123203021 in words is "one hundred ten billion, one hundred twenty-three million, two hundred three thousand, twenty-one".