112221200120221 has 8 divisors (see below), whose sum is σ = 112231805134680. Its totient is φ = 112210595644992.

The previous prime is 112221200120209. The next prime is 112221200120231. The reversal of 112221200120221 is 122021002122211.

It can be written as a sum of positive squares in 4 ways, for example, as 80378146128996 + 31843053991225 = 8965386^2 + 5642965^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112221200120221 - 2¹¹ = 112221200118173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221200120231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499472335 + ... + 499696963.

It is an arithmetic number, because the mean of its divisors is an integer number (14028975641835).

Almost surely, 2^{112221200120221} is an apocalyptic number.

It is an amenable number.

112221200120221 is a deficient number, since it is larger than the sum of its proper divisors (10605014459).

112221200120221 is a wasteful number, since it uses less digits than its factorization.

112221200120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269615.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112221200120221 its reverse (122021002122211), we get a palindrome (234242202242432).

The spelling of 112221200120221 in words is "one hundred twelve trillion, two hundred twenty-one billion, two hundred million, one hundred twenty thousand, two hundred twenty-one".