111201120103 has 4 divisors (see below), whose sum is σ = 117742362480. Its totient is φ = 104659877728.

The previous prime is 111201120091. The next prime is 111201120139. The reversal of 111201120103 is 301021102111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111201120103 - 2⁹ = 111201119591 is a prime.

It is a super-2 number, since 2×111201120103² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201120193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3270621163 + ... + 3270621196.

It is an arithmetic number, because the mean of its divisors is an integer number (29435590620).

Almost surely, 2^111201120103 is an apocalyptic number.

111201120103 is a deficient number, since it is larger than the sum of its proper divisors (6541242377).

111201120103 is an equidigital number, since it uses as much as digits as its factorization.

111201120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6541242376.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111201120103 its reverse (301021102111), we get a palindrome (412222222214).

The spelling of 111201120103 in words is "one hundred eleven billion, two hundred one million, one hundred twenty thousand, one hundred three".