202312223331121 has 8 divisors (see below), whose sum is σ = 202351912838504. Its totient is φ = 202272536551680.

The previous prime is 202312223331107. The next prime is 202312223331167. The reversal of 202312223331121 is 121133322213202.

It can be written as a sum of positive squares in 4 ways, for example, as 167434800915600 + 34877422415521 = 12939660^2 + 5905711^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202312223331121 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 202312223331121.

It is not an unprimeable number, because it can be changed into a prime (202312223331181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150952411 + ... + 152286751.

It is an arithmetic number, because the mean of its divisors is an integer number (25293989104813).

Almost surely, 2^{202312223331121} is an apocalyptic number.

It is an amenable number.

202312223331121 is a deficient number, since it is larger than the sum of its proper divisors (39689507383).

202312223331121 is a wasteful number, since it uses less digits than its factorization.

202312223331121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363971.

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

Adding to 202312223331121 its reverse (121133322213202), we get a palindrome (323445545544323).

The spelling of 202312223331121 in words is "two hundred two trillion, three hundred twelve billion, two hundred twenty-three million, three hundred thirty-one thousand, one hundred twenty-one".