20113133123211 has 16 divisors (see below), whose sum is σ = 26886932417280. Its totient is φ = 13374045859680.

The previous prime is 20113133123201. The next prime is 20113133123309. The reversal of 20113133123211 is 11232133131102.

It is not a de Polignac number, because 20113133123211 - 2¹¹ = 20113133121163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20113133123201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85146576 + ... + 85382466.

It is an arithmetic number, because the mean of its divisors is an integer number (1680433276080).

Almost surely, 2^{20113133123211} is an apocalyptic number.

20113133123211 is a deficient number, since it is larger than the sum of its proper divisors (6773799294069).

20113133123211 is a wasteful number, since it uses less digits than its factorization.

20113133123211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309346.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 20113133123211 its reverse (11232133131102), we get a palindrome (31345266254313).

The spelling of 20113133123211 in words is "twenty trillion, one hundred thirteen billion, one hundred thirty-three million, one hundred twenty-three thousand, two hundred eleven".