10001111203 has 16 divisors (see below), whose sum is σ = 10794402144. Its totient is φ = 9232345600.

The previous prime is 10001111177. The next prime is 10001111209. The reversal of 10001111203 is 30211110001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10001111203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10001111203.

It is not an unprimeable number, because it can be changed into a prime (10001111209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156501 + ... + 210937.

It is an arithmetic number, because the mean of its divisors is an integer number (674650134).

Almost surely, 2^10001111203 is an apocalyptic number.

10001111203 is a deficient number, since it is larger than the sum of its proper divisors (793290941).

10001111203 is a wasteful number, since it uses less digits than its factorization.

10001111203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54662.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 10001111203 its reverse (30211110001), we get a palindrome (40212221204).

The spelling of 10001111203 in words is "ten billion, one million, one hundred eleven thousand, two hundred three".