10111003 has 6 divisors (see below), whose sum is σ = 11761836. Its totient is φ = 8666532.

The previous prime is 10111001. The next prime is 10111019. The reversal of 10111003 is 30011101.

It is a happy number.

It is not a de Polignac number, because 10111003 - 2¹ = 10111001 is a prime.

It is a super-4 number, since 4×10111003⁴ (a number of 29 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10111001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103125 + ... + 103222.

It is an arithmetic number, because the mean of its divisors is an integer number (1960306).

Almost surely, 2^10111003 is an apocalyptic number.

10111003 is a deficient number, since it is larger than the sum of its proper divisors (1650833).

10111003 is an equidigital number, since it uses as much as digits as its factorization.

10111003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206361 (or 206354 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 7.

The square root of 10111003 is about 3179.7803383253. The cubic root of 10111003 is about 216.2376998584.

Adding to 10111003 its reverse (30011101), we get a palindrome (40122104).

The spelling of 10111003 in words is "ten million, one hundred eleven thousand, three".