110112122021021 has 4 divisors (see below), whose sum is σ = 110113377391200. Its totient is φ = 110110866650844.

The previous prime is 110112122020973. The next prime is 110112122021039. The reversal of 110112122021021 is 120120221211011.

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 110112122021021 - 2¹⁰ = 110112122019997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110112122021051) 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, 627553511 + ... + 627728948.

It is an arithmetic number, because the mean of its divisors is an integer number (27528344347800).

Almost surely, 2^{110112122021021} is an apocalyptic number.

It is an amenable number.

110112122021021 is a deficient number, since it is larger than the sum of its proper divisors (1255370179).

110112122021021 is an equidigital number, since it uses as much as digits as its factorization.

110112122021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255370178.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 110112122021021 its reverse (120120221211011), we get a palindrome (230232343232032).

The spelling of 110112122021021 in words is "one hundred ten trillion, one hundred twelve billion, one hundred twenty-two million, twenty-one thousand, twenty-one".