220110101121 has 4 divisors (see below), whose sum is σ = 293480134832. Its totient is φ = 146740067412.

The previous prime is 220110101089. The next prime is 220110101201. The reversal of 220110101121 is 121101011022.

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 not a de Polignac number, because 220110101121 - 2⁵ = 220110101089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220110101097 and 220110101106.

It is not an unprimeable number, because it can be changed into a prime (220110101521) 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, 36685016851 + ... + 36685016856.

It is an arithmetic number, because the mean of its divisors is an integer number (73370033708).

Almost surely, 2^220110101121 is an apocalyptic number.

It is an amenable number.

220110101121 is a deficient number, since it is larger than the sum of its proper divisors (73370033711).

220110101121 is an equidigital number, since it uses as much as digits as its factorization.

220110101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73370033710.

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

Adding to 220110101121 its reverse (121101011022), we get a palindrome (341211112143).

Subtracting from 220110101121 its reverse (121101011022), we obtain a palindrome (99009090099).

The spelling of 220110101121 in words is "two hundred twenty billion, one hundred ten million, one hundred one thousand, one hundred twenty-one".