112112122212001 has 16 divisors (see below), whose sum is σ = 121237692122880. Its totient is φ = 103267932929280.

The previous prime is 112112122211987. The next prime is 112112122212023. The reversal of 112112122212001 is 100212221211211.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112112122212001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112112122212001.

It is not an unprimeable number, because it can be changed into a prime (112112128212001) 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, 16308910 + ... + 22140568.

It is an arithmetic number, because the mean of its divisors is an integer number (7577355757680).

Almost surely, 2^{112112122212001} is an apocalyptic number.

It is an amenable number.

112112122212001 is a deficient number, since it is larger than the sum of its proper divisors (9125569910879).

112112122212001 is a wasteful number, since it uses less digits than its factorization.

112112122212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5855784.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112112122212001 its reverse (100212221211211), we get a palindrome (212324343423212).

The spelling of 112112122212001 in words is "one hundred twelve trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twelve thousand, one".