122202000121 has 4 divisors (see below), whose sum is σ = 122389140132. Its totient is φ = 122014860112.

The previous prime is 122202000113. The next prime is 122202000163. The reversal of 122202000121 is 121000202221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121000202221 = 691 ⋅175108831.

It can be written as a sum of positive squares in 2 ways, for example, as 48043817721 + 74158182400 = 219189^2 + 272320^2 .

It is a cyclic number.

It is not a de Polignac number, because 122202000121 - 2³ = 122202000113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122202000721) 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, 93569026 + ... + 93570331.

It is an arithmetic number, because the mean of its divisors is an integer number (30597285033).

Almost surely, 2^122202000121 is an apocalyptic number.

It is an amenable number.

122202000121 is a deficient number, since it is larger than the sum of its proper divisors (187140011).

122202000121 is an equidigital number, since it uses as much as digits as its factorization.

122202000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187140010.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122202000121 its reverse (121000202221), we get a palindrome (243202202342).

The spelling of 122202000121 in words is "one hundred twenty-two billion, two hundred two million, one hundred twenty-one", and thus it is an aban number.