112001020221221 has 16 divisors (see below), whose sum is σ = 118325323124160. Its totient is φ = 105719693788800.

The previous prime is 112001020221161. The next prime is 112001020221253. The reversal of 112001020221221 is 122122020100211.

It is a cyclic number.

It is not a de Polignac number, because 112001020221221 - 2¹⁸ = 112001019959077 is a prime.

It is a super-3 number, since 3×112001020221221³ (a number of 43 digits) contains 333 as substring.

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 112001020221221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112001020721221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167118446 + ... + 167787296.

It is an arithmetic number, because the mean of its divisors is an integer number (7395332695260).

Almost surely, 2^{112001020221221} is an apocalyptic number.

It is an amenable number.

112001020221221 is a deficient number, since it is larger than the sum of its proper divisors (6324302902939).

112001020221221 is a wasteful number, since it uses less digits than its factorization.

112001020221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700964.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112001020221221 its reverse (122122020100211), we get a palindrome (234123040321432).

The spelling of 112001020221221 in words is "one hundred twelve trillion, one billion, twenty million, two hundred twenty-one thousand, two hundred twenty-one".