112122011121121 has 4 divisors (see below), whose sum is σ = 118023169601200. Its totient is φ = 106220852641044.

The previous prime is 112122011121101. The next prime is 112122011121139. The reversal of 112122011121121 is 121121110221211.

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 112122011121121 - 2²⁵ = 112121977566689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 5901158480059 = 112122011121121 / (1 + 1 + 2 + 1 + 2 + 2 + 0 + 1 + 1 + 1 + 2 + 1 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112122011121101) 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, 2950579240011 + ... + 2950579240048.

It is an arithmetic number, because the mean of its divisors is an integer number (29505792400300).

Almost surely, 2^{112122011121121} is an apocalyptic number.

It is an amenable number.

112122011121121 is a deficient number, since it is larger than the sum of its proper divisors (5901158480079).

112122011121121 is an equidigital number, since it uses as much as digits as its factorization.

112122011121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5901158480078.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 112122011121121 its reverse (121121110221211), we get a palindrome (233243121342332).

The spelling of 112122011121121 in words is "one hundred twelve trillion, one hundred twenty-two billion, eleven million, one hundred twenty-one thousand, one hundred twenty-one".