10032100121 has 4 divisors (see below), whose sum is σ = 10033742544. Its totient is φ = 10030457700.

The previous prime is 10032100109. The next prime is 10032100147. The reversal of 10032100121 is 12100123001.

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 a de Polignac number, because none of the positive numbers 2^k-10032100121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10032100171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812015 + ... + 824276.

It is an arithmetic number, because the mean of its divisors is an integer number (2508435636).

Almost surely, 2^10032100121 is an apocalyptic number.

It is an amenable number.

10032100121 is a deficient number, since it is larger than the sum of its proper divisors (1642423).

10032100121 is an equidigital number, since it uses as much as digits as its factorization.

10032100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642422.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10032100121 its reverse (12100123001), we get a palindrome (22132223122).

The spelling of 10032100121 in words is "ten billion, thirty-two million, one hundred thousand, one hundred twenty-one".