110022112021 has 4 divisors (see below), whose sum is σ = 110232479872. Its totient is φ = 109811744172.

The previous prime is 110022112003. The next prime is 110022112033. The reversal of 110022112021 is 120211220011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 120211220011 = 1283 ⋅93695417.

It is a cyclic number.

It is not a de Polignac number, because 110022112021 - 2¹⁵ = 110022079253 is a prime.

It is a super-2 number, since 2×110022112021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110022111992 and 110022112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110022112091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105183141 + ... + 105184186.

It is an arithmetic number, because the mean of its divisors is an integer number (27558119968).

Almost surely, 2^110022112021 is an apocalyptic number.

It is an amenable number.

110022112021 is a deficient number, since it is larger than the sum of its proper divisors (210367851).

110022112021 is an equidigital number, since it uses as much as digits as its factorization.

110022112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210367850.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110022112021 its reverse (120211220011), we get a palindrome (230233332032).

The spelling of 110022112021 in words is "one hundred ten billion, twenty-two million, one hundred twelve thousand, twenty-one".