112121111003 has 16 divisors (see below), whose sum is σ = 127131413760. Its totient is φ = 97947040800.

The previous prime is 112121110921. The next prime is 112121111017. The reversal of 112121111003 is 300111121211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112121111003 is a prime.

It is a super-2 number, since 2×112121111003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112121111083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 765575 + ... + 900192.

It is an arithmetic number, because the mean of its divisors is an integer number (7945713360).

Almost surely, 2^112121111003 is an apocalyptic number.

112121111003 is a deficient number, since it is larger than the sum of its proper divisors (15010302757).

112121111003 is a wasteful number, since it uses less digits than its factorization.

112121111003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666018.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 112121111003 its reverse (300111121211), we get a palindrome (412232232214).

The spelling of 112121111003 in words is "one hundred twelve billion, one hundred twenty-one million, one hundred eleven thousand, three".