112201220121201 has 24 divisors (see below), whose sum is σ = 163619292582720. Its totient is φ = 74085339699936.

The previous prime is 112201220121163. The next prime is 112201220121233. The reversal of 112201220121201 is 102121022102211.

112201220121201 is a `hidden beast` number, since 1 + 1 + 220 + 1 + 220 + 1 + 21 + 201 = 666.

It is not a de Polignac number, because 112201220121201 - 2¹⁹ = 112201219596913 is a prime.

It is a super-2 number, since 2×112201220121201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112201220131201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8539570 + ... + 17243163.

It is an arithmetic number, because the mean of its divisors is an integer number (6817470524280).

Almost surely, 2^{112201220121201} is an apocalyptic number.

It is an amenable number.

112201220121201 is a deficient number, since it is larger than the sum of its proper divisors (51418072461519).

112201220121201 is a wasteful number, since it uses less digits than its factorization.

112201220121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25787365 (or 25787362 counting only the distinct ones).

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

Adding to 112201220121201 its reverse (102121022102211), we get a palindrome (214322242223412).

The spelling of 112201220121201 in words is "one hundred twelve trillion, two hundred one billion, two hundred twenty million, one hundred twenty-one thousand, two hundred one".