10303121001 has 4 divisors (see below), whose sum is σ = 13737494672. Its totient is φ = 6868747332.

The previous prime is 10303120969. The next prime is 10303121039. The reversal of 10303121001 is 10012130301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10012130301 = 3 ⋅3337376767.

It is not a de Polignac number, because 10303121001 - 2⁵ = 10303120969 is a prime.

It is a super-2 number, since 2×10303121001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10304121001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1717186831 + ... + 1717186836.

It is an arithmetic number, because the mean of its divisors is an integer number (3434373668).

Almost surely, 2^10303121001 is an apocalyptic number.

It is an amenable number.

10303121001 is a deficient number, since it is larger than the sum of its proper divisors (3434373671).

10303121001 is an equidigital number, since it uses as much as digits as its factorization.

10303121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434373670.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 10303121001 its reverse (10012130301), we get a palindrome (20315251302).

The spelling of 10303121001 in words is "ten billion, three hundred three million, one hundred twenty-one thousand, one".