111100133221103 has 32 divisors (see below), whose sum is σ = 121829254557696. Its totient is φ = 100698157536768.

The previous prime is 111100133221001. The next prime is 111100133221109. The reversal of 111100133221103 is 301122331001111.

It is not a de Polignac number, because 111100133221103 - 2⁸ = 111100133220847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100133221109) 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, 1490699426 + ... + 1490773952.

It is an arithmetic number, because the mean of its divisors is an integer number (3807164204928).

Almost surely, 2^{111100133221103} is an apocalyptic number.

111100133221103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111100133221103 is a deficient number, since it is larger than the sum of its proper divisors (10729121336593).

111100133221103 is a wasteful number, since it uses less digits than its factorization.

111100133221103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83063.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 111100133221103 its reverse (301122331001111), we get a palindrome (412222464222214).

The spelling of 111100133221103 in words is "one hundred eleven trillion, one hundred billion, one hundred thirty-three million, two hundred twenty-one thousand, one hundred three".