112212200121 has 16 divisors (see below), whose sum is σ = 176505827328. Its totient is φ = 62052829200.

The previous prime is 112212200083. The next prime is 112212200129. The reversal of 112212200121 is 121002212211.

It is not a de Polignac number, because 112212200121 - 2⁹ = 112212199609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112212200121.

It is not an unprimeable number, because it can be changed into a prime (112212200129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86183835 + ... + 86185136.

It is an arithmetic number, because the mean of its divisors is an integer number (11031614208).

Almost surely, 2^112212200121 is an apocalyptic number.

It is an amenable number.

112212200121 is a deficient number, since it is larger than the sum of its proper divisors (64293627207).

112212200121 is a wasteful number, since it uses less digits than its factorization.

112212200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172369012.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112212200121 its reverse (121002212211), we get a palindrome (233214412332).

The spelling of 112212200121 in words is "one hundred twelve billion, two hundred twelve million, two hundred thousand, one hundred twenty-one".