20212133330113 has 4 divisors (see below), whose sum is σ = 20366424424368. Its totient is φ = 20057842235860.

The previous prime is 20212133330093. The next prime is 20212133330149. The reversal of 20212133330113 is 31103333121202.

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 20212133330113 - 2²¹ = 20212131232961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212133310113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77145546931 + ... + 77145547192.

It is an arithmetic number, because the mean of its divisors is an integer number (5091606106092).

Almost surely, 2^{20212133330113} is an apocalyptic number.

It is an amenable number.

20212133330113 is a deficient number, since it is larger than the sum of its proper divisors (154291094255).

20212133330113 is a wasteful number, since it uses less digits than its factorization.

20212133330113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154291094254.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 20212133330113 its reverse (31103333121202), we get a palindrome (51315466451315).

The spelling of 20212133330113 in words is "twenty trillion, two hundred twelve billion, one hundred thirty-three million, three hundred thirty thousand, one hundred thirteen".