112120211222001 has 96 divisors (see below), whose sum is σ = 174991357931520. Its totient is φ = 69025545792000.

The previous prime is 112120211221999. The next prime is 112120211222009. The reversal of 112120211222001 is 100222112021211.

112120211222001 is a `hidden beast` number, since 112 + 120 + 211 + 2 + 220 + 0 + 1 = 666.

It is not a de Polignac number, because 112120211222001 - 2¹ = 112120211221999 is a prime.

It is a super-2 number, since 2×112120211222001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112120211222009) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 979577826 + ... + 979692276.

It is an arithmetic number, because the mean of its divisors is an integer number (1822826645120).

Almost surely, 2^{112120211222001} is an apocalyptic number.

It is an amenable number.

112120211222001 is a deficient number, since it is larger than the sum of its proper divisors (62871146709519).

112120211222001 is a wasteful number, since it uses less digits than its factorization.

112120211222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116247 (or 116244 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 112120211222001 its reverse (100222112021211), we get a palindrome (212342323243212).

The spelling of 112120211222001 in words is "one hundred twelve trillion, one hundred twenty billion, two hundred eleven million, two hundred twenty-two thousand, one".