112001012102221 has 4 divisors (see below), whose sum is σ = 122182922293344. Its totient is φ = 101819101911100.

The previous prime is 112001012102219. The next prime is 112001012102227. The reversal of 112001012102221 is 122201210100211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112001012102221 - 2¹ = 112001012102219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112001012102195 and 112001012102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112001012102227) 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 3 ways as a sum of consecutive naturals, for example, 5090955095545 + ... + 5090955095566.

It is an arithmetic number, because the mean of its divisors is an integer number (30545730573336).

Almost surely, 2^{112001012102221} is an apocalyptic number.

112001012102221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112001012102221 is a deficient number, since it is larger than the sum of its proper divisors (10181910191123).

112001012102221 is a wasteful number, since it uses less digits than its factorization.

112001012102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10181910191122.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112001012102221 its reverse (122201210100211), we get a palindrome (234202222202432).

It can be divided in two parts, 1120010 and 12102221, that added together give a palindrome (13222231).

The spelling of 112001012102221 in words is "one hundred twelve trillion, one billion, twelve million, one hundred two thousand, two hundred twenty-one".