10001122003 has 4 divisors (see below), whose sum is σ = 10001474208. Its totient is φ = 10000769800.

The previous prime is 10001121967. The next prime is 10001122007. The reversal of 10001122003 is 30022110001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30022110001 = 13 ⋅2309393077.

It is a cyclic number.

It is not a de Polignac number, because 10001122003 - 2²¹ = 9999024851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001122007) 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, 129376 + ... + 191677.

It is an arithmetic number, because the mean of its divisors is an integer number (2500368552).

Almost surely, 2^10001122003 is an apocalyptic number.

10001122003 is a deficient number, since it is larger than the sum of its proper divisors (352205).

10001122003 is an equidigital number, since it uses as much as digits as its factorization.

10001122003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352204.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 10001122003 its reverse (30022110001), we get a palindrome (40023232004).

The spelling of 10001122003 in words is "ten billion, one million, one hundred twenty-two thousand, three".