11111420322003 has 16 divisors (see below), whose sum is σ = 15293226905600. Its totient is φ = 7168616432640.

The previous prime is 11111420322001. The next prime is 11111420322007. The reversal of 11111420322003 is 30022302411111.

It is not a de Polignac number, because 11111420322003 - 2¹ = 11111420322001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111420322001) 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, 27978003 + ... + 28372371.

It is an arithmetic number, because the mean of its divisors is an integer number (955826681600).

Almost surely, 2^{11111420322003} is an apocalyptic number.

11111420322003 is a deficient number, since it is larger than the sum of its proper divisors (4181806583597).

11111420322003 is a wasteful number, since it uses less digits than its factorization.

11111420322003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697362.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11111420322003 its reverse (30022302411111), we get a palindrome (41133722733114).

The spelling of 11111420322003 in words is "eleven trillion, one hundred eleven billion, four hundred twenty million, three hundred twenty-two thousand, three".