110110102221021 has 8 divisors (see below), whose sum is σ = 167786822432064. Its totient is φ = 62920058412000.

The previous prime is 110110102221017. The next prime is 110110102221037. The reversal of 110110102221021 is 120122201011011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 110110102221021 - 2² = 110110102221017 is a prime.

It is a super-2 number, since 2×110110102221021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110110102221121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2621669100480 + ... + 2621669100521.

It is an arithmetic number, because the mean of its divisors is an integer number (20973352804008).

Almost surely, 2^{110110102221021} is an apocalyptic number.

It is an amenable number.

110110102221021 is a deficient number, since it is larger than the sum of its proper divisors (57676720211043).

110110102221021 is an equidigital number, since it uses as much as digits as its factorization.

110110102221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5243338201011.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 110110102221021 its reverse (120122201011011), we get a palindrome (230232303232032).

The spelling of 110110102221021 in words is "one hundred ten trillion, one hundred ten billion, one hundred two million, two hundred twenty-one thousand, twenty-one".