202040232414121 has 8 divisors (see below), whose sum is σ = 202063366729224. Its totient is φ = 202017099187200.

The previous prime is 202040232414113. The next prime is 202040232414191. The reversal of 202040232414121 is 121414232040202.

It can be written as a sum of positive squares in 4 ways, for example, as 163398953217600 + 38641279196521 = 12782760^2 + 6216211^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 202040232414121 - 2³ = 202040232414113 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 202040232414121.

It is not an unprimeable number, because it can be changed into a prime (202040232414191) 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, 405049545 + ... + 405548041.

It is an arithmetic number, because the mean of its divisors is an integer number (25257920841153).

Almost surely, 2^{202040232414121} is an apocalyptic number.

It is an amenable number.

202040232414121 is a deficient number, since it is larger than the sum of its proper divisors (23134315103).

202040232414121 is a wasteful number, since it uses less digits than its factorization.

202040232414121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544091.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 202040232414121 its reverse (121414232040202), we get a palindrome (323454464454323).

The spelling of 202040232414121 in words is "two hundred two trillion, forty billion, two hundred thirty-two million, four hundred fourteen thousand, one hundred twenty-one".