112012121103 has 4 divisors (see below), whose sum is σ = 149349494808. Its totient is φ = 74674747400.

The previous prime is 112012121033. The next prime is 112012121113. The reversal of 112012121103 is 301121210211.

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 112012121103 - 2¹⁴ = 112012104719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012121113) 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, 18668686848 + ... + 18668686853.

It is an arithmetic number, because the mean of its divisors is an integer number (37337373702).

Almost surely, 2^112012121103 is an apocalyptic number.

112012121103 is a deficient number, since it is larger than the sum of its proper divisors (37337373705).

112012121103 is an equidigital number, since it uses as much as digits as its factorization.

112012121103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37337373704.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 112012121103 its reverse (301121210211), we get a palindrome (413133331314).

The spelling of 112012121103 in words is "one hundred twelve billion, twelve million, one hundred twenty-one thousand, one hundred three".