20202130131111 has 16 divisors (see below), whose sum is σ = 29935635193600. Its totient is φ = 13465137671064.

The previous prime is 20202130131089. The next prime is 20202130131151. The reversal of 20202130131111 is 11113103120202.

20202130131111 is a `hidden beast` number, since 2 + 0 + 20 + 21 + 301 + 311 + 11 = 666.

It is not a de Polignac number, because 20202130131111 - 2⁶ = 20202130131047 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 (20202130131151) 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, 81793381 + ... + 82039998.

It is an arithmetic number, because the mean of its divisors is an integer number (1870977199600).

Almost surely, 2^{20202130131111} is an apocalyptic number.

20202130131111 is a deficient number, since it is larger than the sum of its proper divisors (9733505062489).

20202130131111 is a wasteful number, since it uses less digits than its factorization.

20202130131111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163837955 (or 163837949 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 20202130131111 its reverse (11113103120202), we get a palindrome (31315233251313).

The spelling of 20202130131111 in words is "twenty trillion, two hundred two billion, one hundred thirty million, one hundred thirty-one thousand, one hundred eleven".