110203221131121 has 4 divisors (see below), whose sum is σ = 146937628174832. Its totient is φ = 73468814087412.

The previous prime is 110203221131119. The next prime is 110203221131141. The reversal of 110203221131121 is 121131122302011.

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 110203221131121 - 2¹ = 110203221131119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110203221131141) 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, 18367203521851 + ... + 18367203521856.

It is an arithmetic number, because the mean of its divisors is an integer number (36734407043708).

Almost surely, 2^{110203221131121} is an apocalyptic number.

It is an amenable number.

110203221131121 is a deficient number, since it is larger than the sum of its proper divisors (36734407043711).

110203221131121 is an equidigital number, since it uses as much as digits as its factorization.

110203221131121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36734407043710.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 110203221131121 its reverse (121131122302011), we get a palindrome (231334343433132).

The spelling of 110203221131121 in words is "one hundred ten trillion, two hundred three billion, two hundred twenty-one million, one hundred thirty-one thousand, one hundred twenty-one".