112201212212111 has 16 divisors (see below), whose sum is σ = 126639886786560. Its totient is φ = 98469955540320.

The previous prime is 112201212212057. The next prime is 112201212212191. The reversal of 112201212212111 is 111212212102211.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112201212212111 is a prime.

It is a super-2 number, since 2×112201212212111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112201212212191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22493255 + ... + 27024968.

It is an arithmetic number, because the mean of its divisors is an integer number (7914992924160).

Almost surely, 2^{112201212212111} is an apocalyptic number.

112201212212111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112201212212111 is a deficient number, since it is larger than the sum of its proper divisors (14438674574449).

112201212212111 is a wasteful number, since it uses less digits than its factorization.

112201212212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49525366.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 112201212212111 its reverse (111212212102211), we get a palindrome (223413424314322).

The spelling of 112201212212111 in words is "one hundred twelve trillion, two hundred one billion, two hundred twelve million, two hundred twelve thousand, one hundred eleven".