111230120103 has 16 divisors (see below), whose sum is σ = 149187874176. Its totient is φ = 73713538080.

The previous prime is 111230120087. The next prime is 111230120143. The reversal of 111230120103 is 301021032111.

It is a happy number.

It is not a de Polignac number, because 111230120103 - 2⁴ = 111230120087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111230120143) 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, 611700 + ... + 772422.

It is an arithmetic number, because the mean of its divisors is an integer number (9324242136).

Almost surely, 2^111230120103 is an apocalyptic number.

111230120103 is a deficient number, since it is larger than the sum of its proper divisors (37957754073).

111230120103 is a wasteful number, since it uses less digits than its factorization.

111230120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162094.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 111230120103 its reverse (301021032111), we get a palindrome (412251152214).

The spelling of 111230120103 in words is "one hundred eleven billion, two hundred thirty million, one hundred twenty thousand, one hundred three".