20113032101 has 4 divisors (see below), whose sum is σ = 20125128192. Its totient is φ = 20100936012.

The previous prime is 20113032089. The next prime is 20113032109. The reversal of 20113032101 is 10123031102.

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 20113032101 - 2¹⁴ = 20113015717 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 (20113032109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6045551 + ... + 6048876.

It is an arithmetic number, because the mean of its divisors is an integer number (5031282048).

Almost surely, 2^20113032101 is an apocalyptic number.

It is an amenable number.

20113032101 is a deficient number, since it is larger than the sum of its proper divisors (12096091).

20113032101 is a wasteful number, since it uses less digits than its factorization.

20113032101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12096090.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20113032101 its reverse (10123031102), we get a palindrome (30236063203).

Subtracting from 20113032101 its reverse (10123031102), we obtain a palindrome (9990000999).

The spelling of 20113032101 in words is "twenty billion, one hundred thirteen million, thirty-two thousand, one hundred one".