220110110121 has 64 divisors (see below), whose sum is σ = 332048247552. Its totient is φ = 128563200000.

The previous prime is 220110110107. The next prime is 220110110149. The reversal of 220110110121 is 121011011022.

It is not a de Polignac number, because 220110110121 - 2³⁰ = 219036368297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220110110097 and 220110110106.

It is not an unprimeable number, because it can be changed into a prime (220110110161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19715781 + ... + 19726941.

It is an arithmetic number, because the mean of its divisors is an integer number (5188253868).

Almost surely, 2^220110110121 is an apocalyptic number.

It is an amenable number.

220110110121 is a deficient number, since it is larger than the sum of its proper divisors (111938137431).

220110110121 is a wasteful number, since it uses less digits than its factorization.

220110110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11434.

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

Adding to 220110110121 its reverse (121011011022), we get a palindrome (341121121143).

Subtracting from 220110110121 its reverse (121011011022), we obtain a palindrome (99099099099).

The spelling of 220110110121 in words is "two hundred twenty billion, one hundred ten million, one hundred ten thousand, one hundred twenty-one".