10111221003 has 8 divisors (see below), whose sum is σ = 14518676368. Its totient is φ = 6222289824.

The previous prime is 10111220929. The next prime is 10111221007. The reversal of 10111221003 is 30012211101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-10111221003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10111221003.

It is not an unprimeable number, because it can be changed into a prime (10111221007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129631000 + ... + 129631077.

It is an arithmetic number, because the mean of its divisors is an integer number (1814834546).

Almost surely, 2^10111221003 is an apocalyptic number.

10111221003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10111221003 is a deficient number, since it is larger than the sum of its proper divisors (4407455365).

10111221003 is a wasteful number, since it uses less digits than its factorization.

10111221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259262093.

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

Adding to 10111221003 its reverse (30012211101), we get a palindrome (40123432104).

The spelling of 10111221003 in words is "ten billion, one hundred eleven million, two hundred twenty-one thousand, three".