112101111002121 has 4 divisors (see below), whose sum is σ = 149468148002832. Its totient is φ = 74734074001412.

The previous prime is 112101111002059. The next prime is 112101111002129. The reversal of 112101111002121 is 121200111101211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112101111002121 - 2¹⁰ = 112101111001097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112101111002121.

It is not an unprimeable number, because it can be changed into a prime (112101111002129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18683518500351 + ... + 18683518500356.

It is an arithmetic number, because the mean of its divisors is an integer number (37367037000708).

Almost surely, 2^{112101111002121} is an apocalyptic number.

It is an amenable number.

112101111002121 is a deficient number, since it is larger than the sum of its proper divisors (37367037000711).

112101111002121 is an equidigital number, since it uses as much as digits as its factorization.

112101111002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37367037000710.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 112101111002121 its reverse (121200111101211), we get a palindrome (233301222103332).

The spelling of 112101111002121 in words is "one hundred twelve trillion, one hundred one billion, one hundred eleven million, two thousand, one hundred twenty-one".