11101001010003 has 24 divisors (see below), whose sum is σ = 16227506795760. Its totient is φ = 7311844995840.

The previous prime is 11101001009993. The next prime is 11101001010019. The reversal of 11101001010003 is 30001010010111.

It is not a de Polignac number, because 11101001010003 - 2²¹ = 11100998912851 is a prime.

It is a super-2 number, since 2×11101001010003² (a number of 27 digits) contains 22 as substring.

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 (11101001015003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4333426 + ... + 6401607.

It is an arithmetic number, because the mean of its divisors is an integer number (676146116490).

Almost surely, 2^{11101001010003} is an apocalyptic number.

11101001010003 is a deficient number, since it is larger than the sum of its proper divisors (5126505785757).

11101001010003 is a wasteful number, since it uses less digits than its factorization.

11101001010003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10736419 (or 10736416 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 9.

Adding to 11101001010003 its reverse (30001010010111), we get a palindrome (41102011020114).

The spelling of 11101001010003 in words is "eleven trillion, one hundred one billion, one million, ten thousand, three".