11312112103 has 16 divisors (see below), whose sum is σ = 12568193280. Its totient is φ = 10126838656.

The previous prime is 11312112101. The next prime is 11312112109. The reversal of 11312112103 is 30121121311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11312112103 - 2¹ = 11312112101 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 (11312112101) 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, 10825 + ... + 150802.

It is an arithmetic number, because the mean of its divisors is an integer number (785512080).

Almost surely, 2^11312112103 is an apocalyptic number.

11312112103 is a deficient number, since it is larger than the sum of its proper divisors (1256081177).

11312112103 is a wasteful number, since it uses less digits than its factorization.

11312112103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161846.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11312112103 its reverse (30121121311), we get a palindrome (41433233414).

The spelling of 11312112103 in words is "eleven billion, three hundred twelve million, one hundred twelve thousand, one hundred three".