112110210121121 has 4 divisors (see below), whose sum is σ = 112352348804352. Its totient is φ = 111868071437892.

The previous prime is 112110210121099. The next prime is 112110210121127. The reversal of 112110210121121 is 121121012011211.

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 a de Polignac number, because none of the positive numbers 2^k-112110210121121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112110210121121.

It is not an unprimeable number, because it can be changed into a prime (112110210121127) 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, 121069340921 + ... + 121069341846.

It is an arithmetic number, because the mean of its divisors is an integer number (28088087201088).

Almost surely, 2^{112110210121121} is an apocalyptic number.

It is an amenable number.

112110210121121 is a deficient number, since it is larger than the sum of its proper divisors (242138683231).

112110210121121 is an equidigital number, since it uses as much as digits as its factorization.

112110210121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242138683230.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 112110210121121 its reverse (121121012011211), we get a palindrome (233231222132332).

The spelling of 112110210121121 in words is "one hundred twelve trillion, one hundred ten billion, two hundred ten million, one hundred twenty-one thousand, one hundred twenty-one".