20300121121 has 16 divisors (see below), whose sum is σ = 23291766400. Its totient is φ = 17331470208.

The previous prime is 20300121097. The next prime is 20300121139. The reversal of 20300121121 is 12112100302.

It is a cyclic number.

It is not a de Polignac number, because 20300121121 - 2⁹ = 20300120609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20300121221) 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 15 ways as a sum of consecutive naturals, for example, 3917110 + ... + 3922288.

It is an arithmetic number, because the mean of its divisors is an integer number (1455735400).

Almost surely, 2^20300121121 is an apocalyptic number.

It is an amenable number.

20300121121 is a deficient number, since it is larger than the sum of its proper divisors (2991645279).

20300121121 is a wasteful number, since it uses less digits than its factorization.

20300121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7288.

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

Adding to 20300121121 its reverse (12112100302), we get a palindrome (32412221423).

The spelling of 20300121121 in words is "twenty billion, three hundred million, one hundred twenty-one thousand, one hundred twenty-one".