20201112020021 has 16 divisors (see below), whose sum is σ = 20739546720000. Its totient is φ = 19667220400128.

The previous prime is 20201112019951. The next prime is 20201112020039. The reversal of 20201112020021 is 12002021110202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20201112020021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20201112019978 and 20201112020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201112020041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116920505 + ... + 117093153.

It is an arithmetic number, because the mean of its divisors is an integer number (1296221670000).

Almost surely, 2^{20201112020021} is an apocalyptic number.

It is an amenable number.

20201112020021 is a deficient number, since it is larger than the sum of its proper divisors (538434699979).

20201112020021 is a wasteful number, since it uses less digits than its factorization.

20201112020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185788.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20201112020021 its reverse (12002021110202), we get a palindrome (32203133130223).

The spelling of 20201112020021 in words is "twenty trillion, two hundred one billion, one hundred twelve million, twenty thousand, twenty-one".