11111112211003 has 16 divisors (see below), whose sum is σ = 13399401162240. Its totient is φ = 9007375202496.

The previous prime is 11111112210949. The next prime is 11111112211009. The reversal of 11111112211003 is 30011221111111.

11111112211003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11111112211003 - 2³³ = 11102522276411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111112211009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387699825 + ... + 387728482.

It is an arithmetic number, because the mean of its divisors is an integer number (837462572640).

Almost surely, 2^{11111112211003} is an apocalyptic number.

11111112211003 is a deficient number, since it is larger than the sum of its proper divisors (2288288951237).

11111112211003 is an equidigital number, since it uses as much as digits as its factorization.

11111112211003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775428426.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 11111112211003 its reverse (30011221111111), we get a palindrome (41122333322114).

The spelling of 11111112211003 in words is "eleven trillion, one hundred eleven billion, one hundred twelve million, two hundred eleven thousand, three".