110102110221021 has 32 divisors (see below), whose sum is σ = 149967403592832. Its totient is φ = 71826669108480.

The previous prime is 110102110220969. The next prime is 110102110221029. The reversal of 110102110221021 is 120122011201011.

It is a happy number.

It is not a de Polignac number, because 110102110221021 - 2¹¹ = 110102110218973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110102110221029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92038951 + ... + 93227531.

It is an arithmetic number, because the mean of its divisors is an integer number (4686481362276).

Almost surely, 2^{110102110221021} is an apocalyptic number.

It is an amenable number.

110102110221021 is a deficient number, since it is larger than the sum of its proper divisors (39865293371811).

110102110221021 is a wasteful number, since it uses less digits than its factorization.

110102110221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190173.

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

Adding to 110102110221021 its reverse (120122011201011), we get a palindrome (230224121422032).

The spelling of 110102110221021 in words is "one hundred ten trillion, one hundred two billion, one hundred ten million, two hundred twenty-one thousand, twenty-one".