10203310121 has 8 divisors (see below), whose sum is σ = 10831284360. Its totient is φ = 9578422528.

The previous prime is 10203310097. The next prime is 10203310123. The reversal of 10203310121 is 12101330201.

It can be written as a sum of positive squares in 4 ways, for example, as 3836068096 + 6367242025 = 61936^2 + 79795^2 .

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 10203310121 - 2¹⁰ = 10203309097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10203310096 and 10203310105.

It is not an unprimeable number, because it can be changed into a prime (10203310123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764846 + ... + 778071.

It is an arithmetic number, because the mean of its divisors is an integer number (1353910545).

Almost surely, 2^10203310121 is an apocalyptic number.

It is an amenable number.

10203310121 is a deficient number, since it is larger than the sum of its proper divisors (627974239).

10203310121 is a wasteful number, since it uses less digits than its factorization.

10203310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543323.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10203310121 its reverse (12101330201), we get a palindrome (22304640322).

The spelling of 10203310121 in words is "ten billion, two hundred three million, three hundred ten thousand, one hundred twenty-one".