121331322322201 has 4 divisors (see below), whose sum is σ = 122075686262992. Its totient is φ = 120586958381412.

The previous prime is 121331322322193. The next prime is 121331322322319. The reversal of 121331322322201 is 102223223133121.

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 121331322322201 - 2³ = 121331322322193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121331322322201.

It is not an unprimeable number, because it can be changed into a prime (121331322329201) 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, 372181970151 + ... + 372181970476.

It is an arithmetic number, because the mean of its divisors is an integer number (30518921565748).

Almost surely, 2^{121331322322201} is an apocalyptic number.

It is an amenable number.

121331322322201 is a deficient number, since it is larger than the sum of its proper divisors (744363940791).

121331322322201 is an equidigital number, since it uses as much as digits as its factorization.

121331322322201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744363940790.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 121331322322201 its reverse (102223223133121), we get a palindrome (223554545455322).

The spelling of 121331322322201 in words is "one hundred twenty-one trillion, three hundred thirty-one billion, three hundred twenty-two million, three hundred twenty-two thousand, two hundred one".