122203142121 has 8 divisors (see below), whose sum is σ = 163709739424. Its totient is φ = 81082653120.

The previous prime is 122203142111. The next prime is 122203142153. The reversal of 122203142121 is 121241302221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-122203142121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122203142111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96526336 + ... + 96527601.

It is an arithmetic number, because the mean of its divisors is an integer number (20463717428).

Almost surely, 2^122203142121 is an apocalyptic number.

It is an amenable number.

122203142121 is a deficient number, since it is larger than the sum of its proper divisors (41506597303).

122203142121 is a wasteful number, since it uses less digits than its factorization.

122203142121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193054151.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 122203142121 its reverse (121241302221), we get a palindrome (243444444342).

The spelling of 122203142121 in words is "one hundred twenty-two billion, two hundred three million, one hundred forty-two thousand, one hundred twenty-one".