20011000103101 has 4 divisors (see below), whose sum is σ = 22869714403552. Its totient is φ = 17152285802652.

The previous prime is 20011000103053. The next prime is 20011000103113. The reversal of 20011000103101 is 10130100011002.

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 not a de Polignac number, because 20011000103101 - 2³⁹ = 19461244289213 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 (20011000103161) 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, 1429357150215 + ... + 1429357150228.

It is an arithmetic number, because the mean of its divisors is an integer number (5717428600888).

Almost surely, 2^{20011000103101} is an apocalyptic number.

It is an amenable number.

20011000103101 is a deficient number, since it is larger than the sum of its proper divisors (2858714300451).

20011000103101 is an equidigital number, since it uses as much as digits as its factorization.

20011000103101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858714300450.

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

Adding to 20011000103101 its reverse (10130100011002), we get a palindrome (30141100114103).

The spelling of 20011000103101 in words is "twenty trillion, eleven billion, one hundred three thousand, one hundred one".