112122121221211 has 4 divisors (see below), whose sum is σ = 112122235434024. Its totient is φ = 112122007008400.

The previous prime is 112122121221199. The next prime is 112122121221217.

112122121221211 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 112122121221211 - 2⁷ = 112122121221083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112122121221217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55620985 + ... + 57601546.

It is an arithmetic number, because the mean of its divisors is an integer number (28030558858506).

Almost surely, 2^{112122121221211} is an apocalyptic number.

112122121221211 is a deficient number, since it is larger than the sum of its proper divisors (114212813).

112122121221211 is an equidigital number, since it uses as much as digits as its factorization.

112122121221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114212812.

The product of its digits is 128, while the sum is 22.

The spelling of 112122121221211 in words is "one hundred twelve trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred twenty-one thousand, two hundred eleven".