10001011203 has 12 divisors (see below), whose sum is σ = 14447371120. Its totient is φ = 6666664176.

The previous prime is 10001011177. The next prime is 10001011249. The reversal of 10001011203 is 30211010001.

It is not a de Polignac number, because 10001011203 - 2²⁵ = 9967456771 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001011103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47250 + ... + 149112.

Almost surely, 2^10001011203 is an apocalyptic number.

10001011203 is a deficient number, since it is larger than the sum of its proper divisors (4446359917).

10001011203 is a wasteful number, since it uses less digits than its factorization.

10001011203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112778 (or 112775 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 10001011203 its reverse (30211010001), we get a palindrome (40212021204).

The spelling of 10001011203 in words is "ten billion, one million, eleven thousand, two hundred three".