10021121203 has 4 divisors (see below), whose sum is σ = 10088377200. Its totient is φ = 9953865208.

The previous prime is 10021121179. The next prime is 10021121213. The reversal of 10021121203 is 30212112001.

10021121203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10021121203 - 2⁵ = 10021121171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021121213) 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, 33627775 + ... + 33628072.

It is an arithmetic number, because the mean of its divisors is an integer number (2522094300).

Almost surely, 2^10021121203 is an apocalyptic number.

10021121203 is a deficient number, since it is larger than the sum of its proper divisors (67255997).

10021121203 is an equidigital number, since it uses as much as digits as its factorization.

10021121203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67255996.

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

Adding to 10021121203 its reverse (30212112001), we get a palindrome (40233233204).

The spelling of 10021121203 in words is "ten billion, twenty-one million, one hundred twenty-one thousand, two hundred three".