112112111221211 has 2 divisors, whose sum is σ = 112112111221212. Its totient is φ = 112112111221210.

The previous prime is 112112111221177. The next prime is 112112111221301. The reversal of 112112111221211 is 112122111211211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112112111221211 is a prime.

It is not a weakly prime, because it can be changed into another prime (112112111271211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56056055610605 + 56056055610606.

It is an arithmetic number, because the mean of its divisors is an integer number (56056055610606).

Almost surely, 2^{112112111221211} is an apocalyptic number.

112112111221211 is a deficient number, since it is larger than the sum of its proper divisors (1).

112112111221211 is an equidigital number, since it uses as much as digits as its factorization.

112112111221211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32, while the sum is 20.

Adding to 112112111221211 its reverse (112122111211211), we get a palindrome (224234222432422).

The spelling of 112112111221211 in words is "one hundred twelve trillion, one hundred twelve billion, one hundred eleven million, two hundred twenty-one thousand, two hundred eleven".