111201003 has 12 divisors (see below), whose sum is σ = 161458440. Its totient is φ = 73748736.

The previous prime is 111200989. The next prime is 111201007. The reversal of 111201003 is 300102111.

It is not a de Polignac number, because 111201003 - 2⁹ = 111200491 is a prime.

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 (111201007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30273 + ... + 33746.

It is an arithmetic number, because the mean of its divisors is an integer number (13454870).

Almost surely, 2^111201003 is an apocalyptic number.

111201003 is a deficient number, since it is larger than the sum of its proper divisors (50257437).

111201003 is a wasteful number, since it uses less digits than its factorization.

111201003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64218 (or 64215 counting only the distinct ones).

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

The square root of 111201003 is about 10545.1886185122. The cubic root of 111201003 is about 480.8794683604.

Adding to 111201003 its reverse (300102111), we get a palindrome (411303114).

The spelling of 111201003 in words is "one hundred eleven million, two hundred one thousand, three".