133131304202221 has 8 divisors (see below), whose sum is σ = 143442488730240. Its totient is φ = 122830164670512.

The previous prime is 133131304202203. The next prime is 133131304202261. The reversal of 133131304202221 is 122202403131331.

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

It is not a de Polignac number, because 133131304202221 - 2¹¹ = 133131304200173 is a prime.

It is a super-2 number, since 2×133131304202221² (a number of 29 digits) contains 22 as substring.

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 133131304202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133131304202261) 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, 2511221545 + ... + 2511274558.

It is an arithmetic number, because the mean of its divisors is an integer number (17930311091280).

Almost surely, 2^{133131304202221} is an apocalyptic number.

It is an amenable number.

133131304202221 is a deficient number, since it is larger than the sum of its proper divisors (10311184528019).

133131304202221 is a wasteful number, since it uses less digits than its factorization.

133131304202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022498155.

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

Adding to 133131304202221 its reverse (122202403131331), we get a palindrome (255333707333552).

The spelling of 133131304202221 in words is "one hundred thirty-three trillion, one hundred thirty-one billion, three hundred four million, two hundred two thousand, two hundred twenty-one".