20032110121 has 8 divisors (see below), whose sum is σ = 20260816200. Its totient is φ = 19803484800.

The previous prime is 20032110071. The next prime is 20032110211. The reversal of 20032110121 is 12101123002.

It can be written as a sum of positive squares in 4 ways, for example, as 4873575721 + 15158534400 = 69811^2 + 123120^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20032110121 - 2⁹ = 20032109609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20032110421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579595 + ... + 613183.

It is an arithmetic number, because the mean of its divisors is an integer number (2532602025).

Almost surely, 2^20032110121 is an apocalyptic number.

It is an amenable number.

20032110121 is a deficient number, since it is larger than the sum of its proper divisors (228706079).

20032110121 is an equidigital number, since it uses as much as digits as its factorization.

20032110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40379.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20032110121 its reverse (12101123002), we get a palindrome (32133233123).

The spelling of 20032110121 in words is "twenty billion, thirty-two million, one hundred ten thousand, one hundred twenty-one".