20113121333213 has 8 divisors (see below), whose sum is σ = 21171767743200. Its totient is φ = 19054481030928.

The previous prime is 20113121333191. The next prime is 20113121333231. The reversal of 20113121333213 is 31233312131102.

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 20113121333213 - 2²² = 20113117138909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113121333413) 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, 6247598 + ... + 8902736.

It is an arithmetic number, because the mean of its divisors is an integer number (2646470967900).

Almost surely, 2^{20113121333213} is an apocalyptic number.

It is an amenable number.

20113121333213 is a deficient number, since it is larger than the sum of its proper divisors (1058646409987).

20113121333213 is a wasteful number, since it uses less digits than its factorization.

20113121333213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053851.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 20113121333213 its reverse (31233312131102), we get a palindrome (51346433464315).

The spelling of 20113121333213 in words is "twenty trillion, one hundred thirteen billion, one hundred twenty-one million, three hundred thirty-three thousand, two hundred thirteen".