11101002003 has 96 divisors (see below), whose sum is σ = 20651904000. Its totient is φ = 5584930560.

The previous prime is 11101001987. The next prime is 11101002019. The reversal of 11101002003 is 30020010111.

It is an interprime number because it is at equal distance from previous prime (11101001987) and next prime (11101002019).

It is not a de Polignac number, because 11101002003 - 2⁴ = 11101001987 is a prime.

It is a super-4 number, since 4×11101002003⁴ (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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

It is not an unprimeable number, because it can be changed into a prime (11101002053) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9399073 + ... + 9400253.

It is an arithmetic number, because the mean of its divisors is an integer number (215124000).

Almost surely, 2^11101002003 is an apocalyptic number.

11101002003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11101002003 is a deficient number, since it is larger than the sum of its proper divisors (9550901997).

11101002003 is a wasteful number, since it uses less digits than its factorization.

11101002003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729 (or 1726 counting only the distinct ones).

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

Adding to 11101002003 its reverse (30020010111), we get a palindrome (41121012114).

The spelling of 11101002003 in words is "eleven billion, one hundred one million, two thousand, three".