20013101101 has 4 divisors (see below), whose sum is σ = 22872115552. Its totient is φ = 17154086652.

The previous prime is 20013101099. The next prime is 20013101111. The reversal of 20013101101 is 10110131002.

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 20013101101 - 2¹ = 20013101099 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 (20013101111) 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, 1429507215 + ... + 1429507228.

It is an arithmetic number, because the mean of its divisors is an integer number (5718028888).

Almost surely, 2^20013101101 is an apocalyptic number.

It is an amenable number.

20013101101 is a deficient number, since it is larger than the sum of its proper divisors (2859014451).

20013101101 is an equidigital number, since it uses as much as digits as its factorization.

20013101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859014450.

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

Adding to 20013101101 its reverse (10110131002), we get a palindrome (30123232103).

The spelling of 20013101101 in words is "twenty billion, thirteen million, one hundred one thousand, one hundred one".