10321200121 has 16 divisors (see below), whose sum is σ = 11035393600. Its totient is φ = 9624339648.

The previous prime is 10321200101. The next prime is 10321200139. The reversal of 10321200121 is 12100212301.

10321200121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10321200121 - 2¹⁷ = 10321069049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10321200101) 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, 2152795 + ... + 2157583.

It is an arithmetic number, because the mean of its divisors is an integer number (689712100).

Almost surely, 2^10321200121 is an apocalyptic number.

It is an amenable number.

10321200121 is a deficient number, since it is larger than the sum of its proper divisors (714193479).

10321200121 is a wasteful number, since it uses less digits than its factorization.

10321200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6568.

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

Adding to 10321200121 its reverse (12100212301), we get a palindrome (22421412422).

The spelling of 10321200121 in words is "ten billion, three hundred twenty-one million, two hundred thousand, one hundred twenty-one".