110102220200021 has 4 divisors (see below), whose sum is σ = 125831108800032. Its totient is φ = 94373331600012.

The previous prime is 110102220199987. The next prime is 110102220200051. The reversal of 110102220200021 is 120002022201011.

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 110102220200021 - 2³⁸ = 109827342293077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110102220199969 and 110102220200005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110102220200051) 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, 7864444299995 + ... + 7864444300008.

It is an arithmetic number, because the mean of its divisors is an integer number (31457777200008).

Almost surely, 2^{110102220200021} is an apocalyptic number.

It is an amenable number.

110102220200021 is a deficient number, since it is larger than the sum of its proper divisors (15728888600011).

110102220200021 is an equidigital number, since it uses as much as digits as its factorization.

110102220200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15728888600010.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 110102220200021 its reverse (120002022201011), we get a palindrome (230104242401032).

The spelling of 110102220200021 in words is "one hundred ten trillion, one hundred two billion, two hundred twenty million, two hundred thousand, twenty-one".