111213441003 has 32 divisors (see below), whose sum is σ = 172264154112. Its totient is φ = 62506281600.

The previous prime is 111213440963. The next prime is 111213441007. The reversal of 111213441003 is 300144312111.

It is not a de Polignac number, because 111213441003 - 2¹⁷ = 111213309931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (111213441007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 539125 + ... + 716297.

It is an arithmetic number, because the mean of its divisors is an integer number (5383254816).

Almost surely, 2^111213441003 is an apocalyptic number.

111213441003 is a deficient number, since it is larger than the sum of its proper divisors (61050713109).

111213441003 is a wasteful number, since it uses less digits than its factorization.

111213441003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177675.

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

Adding to 111213441003 its reverse (300144312111), we get a palindrome (411357753114).

The spelling of 111213441003 in words is "one hundred eleven billion, two hundred thirteen million, four hundred forty-one thousand, three".