112102122210121 has 4 divisors (see below), whose sum is σ = 112110005082244. Its totient is φ = 112094239338000.

The previous prime is 112102122210101. The next prime is 112102122210137. The reversal of 112102122210121 is 121012221201211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30944743840000 + 81157378370121 = 5562800^2 + 9008739^2 .

It is a cyclic number.

It is not a de Polignac number, because 112102122210121 - 2⁷ = 112102122209993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112102122210101) 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, 3941414730 + ... + 3941443171.

It is an arithmetic number, because the mean of its divisors is an integer number (28027501270561).

Almost surely, 2^{112102122210121} is an apocalyptic number.

It is an amenable number.

112102122210121 is a deficient number, since it is larger than the sum of its proper divisors (7882872123).

112102122210121 is an equidigital number, since it uses as much as digits as its factorization.

112102122210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7882872122.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112102122210121 its reverse (121012221201211), we get a palindrome (233114343411332).

The spelling of 112102122210121 in words is "one hundred twelve trillion, one hundred two billion, one hundred twenty-two million, two hundred ten thousand, one hundred twenty-one".