112201121111 has 2 divisors, whose sum is σ = 112201121112. Its totient is φ = 112201121110.

The previous prime is 112201121063. The next prime is 112201121113. The reversal of 112201121111 is 111121102211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112201121111 is a prime.

Together with 112201121113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112201121113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56100560555 + 56100560556.

It is an arithmetic number, because the mean of its divisors is an integer number (56100560556).

Almost surely, 2^112201121111 is an apocalyptic number.

112201121111 is a deficient number, since it is larger than the sum of its proper divisors (1).

112201121111 is an equidigital number, since it uses as much as digits as its factorization.

112201121111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 112201121111 its reverse (111121102211), we get a palindrome (223322223322).

The spelling of 112201121111 in words is "one hundred twelve billion, two hundred one million, one hundred twenty-one thousand, one hundred eleven".