110122200121 has 2 divisors, whose sum is σ = 110122200122. Its totient is φ = 110122200120.

The previous prime is 110122200119. The next prime is 110122200173. The reversal of 110122200121 is 121002221011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97681251600 + 12440948521 = 312540^2 + 111539^2 .

It is a cyclic number.

It is not a de Polignac number, because 110122200121 - 2¹ = 110122200119 is a prime.

Together with 110122200119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (110122201121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55061100060 + 55061100061.

It is an arithmetic number, because the mean of its divisors is an integer number (55061100061).

Almost surely, 2^110122200121 is an apocalyptic number.

It is an amenable number.

110122200121 is a deficient number, since it is larger than the sum of its proper divisors (1).

110122200121 is an equidigital number, since it uses as much as digits as its factorization.

110122200121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110122200121 its reverse (121002221011), we get a palindrome (231124421132).

The spelling of 110122200121 in words is "one hundred ten billion, one hundred twenty-two million, two hundred thousand, one hundred twenty-one".