20001113101 has 4 divisors (see below), whose sum is σ = 20003644192. Its totient is φ = 19998582012.

The previous prime is 20001113089. The next prime is 20001113147. The reversal of 20001113101 is 10131110002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20001113101 - 2⁷ = 20001112973 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 (20001113701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253655 + ... + 1269508.

It is an arithmetic number, because the mean of its divisors is an integer number (5000911048).

Almost surely, 2^20001113101 is an apocalyptic number.

It is an amenable number.

20001113101 is a deficient number, since it is larger than the sum of its proper divisors (2531091).

20001113101 is an equidigital number, since it uses as much as digits as its factorization.

20001113101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531090.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 20001113101 its reverse (10131110002), we get a palindrome (30132223103).

The spelling of 20001113101 in words is "twenty billion, one million, one hundred thirteen thousand, one hundred one".