110122120021 has 4 divisors (see below), whose sum is σ = 110138936544. Its totient is φ = 110105303500.

The previous prime is 110122119983. The next prime is 110122120027. The reversal of 110122120021 is 120021221011.

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.

It is a cyclic number.

It is not a de Polignac number, because 110122120021 - 2²⁷ = 109987902293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110122119983 and 110122120010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110122120027) 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, 8398435 + ... + 8411536.

It is an arithmetic number, because the mean of its divisors is an integer number (27534734136).

Almost surely, 2^110122120021 is an apocalyptic number.

It is an amenable number.

110122120021 is a deficient number, since it is larger than the sum of its proper divisors (16816523).

110122120021 is an equidigital number, since it uses as much as digits as its factorization.

110122120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16816522.

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

Adding to 110122120021 its reverse (120021221011), we get a palindrome (230143341032).

The spelling of 110122120021 in words is "one hundred ten billion, one hundred twenty-two million, one hundred twenty thousand, twenty-one".