102110110221 has 16 divisors (see below), whose sum is σ = 155608131200. Its totient is φ = 58344219648.

The previous prime is 102110110211. The next prime is 102110110231. The reversal of 102110110221 is 122011011201.

It is an interprime number because it is at equal distance from previous prime (102110110211) and next prime (102110110231).

It is not a de Polignac number, because 102110110221 - 2⁵ = 102110110189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102110110197 and 102110110206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102110110211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111225 + ... + 465393.

It is an arithmetic number, because the mean of its divisors is an integer number (9725508200).

Almost surely, 2^102110110221 is an apocalyptic number.

It is an amenable number.

102110110221 is a deficient number, since it is larger than the sum of its proper divisors (53498020979).

102110110221 is a wasteful number, since it uses less digits than its factorization.

102110110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367908.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102110110221 its reverse (122011011201), we get a palindrome (224121121422).

The spelling of 102110110221 in words is "one hundred two billion, one hundred ten million, one hundred ten thousand, two hundred twenty-one".