122021202201121 has 4 divisors (see below), whose sum is σ = 122021578926000. Its totient is φ = 122020825476244.

The previous prime is 122021202201113. The next prime is 122021202201133. The reversal of 122021202201121 is 121102202120221.

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 a cyclic number.

It is not a de Polignac number, because 122021202201121 - 2³ = 122021202201113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122021202205121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187876171 + ... + 188524528.

It is an arithmetic number, because the mean of its divisors is an integer number (30505394731500).

Almost surely, 2^{122021202201121} is an apocalyptic number.

It is an amenable number.

122021202201121 is a deficient number, since it is larger than the sum of its proper divisors (376724879).

122021202201121 is an equidigital number, since it uses as much as digits as its factorization.

122021202201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376724878.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122021202201121 its reverse (121102202120221), we get a palindrome (243123404321342).

The spelling of 122021202201121 in words is "one hundred twenty-two trillion, twenty-one billion, two hundred two million, two hundred one thousand, one hundred twenty-one".