20001321111141 has 40 divisors (see below), whose sum is σ = 31188883334400. Its totient is φ = 12759088351680.

The previous prime is 20001321111103. The next prime is 20001321111143. The reversal of 20001321111141 is 14111112310002.

20001321111141 is a `hidden beast` number, since 200 + 0 + 1 + 321 + 1 + 1 + 1 + 141 = 666.

It is not a de Polignac number, because 20001321111141 - 2²⁶ = 20001254002277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001321111143) 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 39 ways as a sum of consecutive naturals, for example, 44526411 + ... + 44973368.

It is an arithmetic number, because the mean of its divisors is an integer number (779722083360).

Almost surely, 2^{20001321111141} is an apocalyptic number.

It is an amenable number.

20001321111141 is a deficient number, since it is larger than the sum of its proper divisors (11187562223259).

20001321111141 is an equidigital number, since it uses as much as digits as its factorization.

20001321111141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89499911 (or 89499902 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 20001321111141 its reverse (14111112310002), we get a palindrome (34112433421143).

The spelling of 20001321111141 in words is "twenty trillion, one billion, three hundred twenty-one million, one hundred eleven thousand, one hundred forty-one".