111441221003 has 16 divisors (see below), whose sum is σ = 127960487424. Its totient is φ = 95071980480.

The previous prime is 111441220973. The next prime is 111441221027. The reversal of 111441221003 is 300122144111.

It is a cyclic number.

It is not a de Polignac number, because 111441221003 - 2¹⁰ = 111441219979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111441221033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6692498 + ... + 6709128.

It is an arithmetic number, because the mean of its divisors is an integer number (7997530464).

Almost surely, 2^111441221003 is an apocalyptic number.

111441221003 is a deficient number, since it is larger than the sum of its proper divisors (16519266421).

111441221003 is a wasteful number, since it uses less digits than its factorization.

111441221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21082.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 111441221003 its reverse (300122144111), we get a palindrome (411563365114).

The spelling of 111441221003 in words is "one hundred eleven billion, four hundred forty-one million, two hundred twenty-one thousand, three".