112200120220121 has 4 divisors (see below), whose sum is σ = 117078386316672. Its totient is φ = 107321854123572.

The previous prime is 112200120220093. The next prime is 112200120220159. The reversal of 112200120220121 is 121022021002211.

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 112200120220121 - 2¹⁸ = 112200119957977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112200120220121.

It is not an unprimeable number, because it can be changed into a prime (112200120220621) 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, 2439133048241 + ... + 2439133048286.

It is an arithmetic number, because the mean of its divisors is an integer number (29269596579168).

Almost surely, 2^{112200120220121} is an apocalyptic number.

It is an amenable number.

112200120220121 is a deficient number, since it is larger than the sum of its proper divisors (4878266096551).

112200120220121 is an equidigital number, since it uses as much as digits as its factorization.

112200120220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4878266096550.

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

Adding to 112200120220121 its reverse (121022021002211), we get a palindrome (233222141222332).

The spelling of 112200120220121 in words is "one hundred twelve trillion, two hundred billion, one hundred twenty million, two hundred twenty thousand, one hundred twenty-one".