112220321221 has 16 divisors (see below), whose sum is σ = 116813410560. Its totient is φ = 107676031680.

The previous prime is 112220321209. The next prime is 112220321233. The reversal of 112220321221 is 122123022211.

It is an interprime number because it is at equal distance from previous prime (112220321209) and next prime (112220321233).

It is a cyclic number.

It is not a de Polignac number, because 112220321221 - 2¹¹ = 112220319173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112220321201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16768486 + ... + 16775176.

It is an arithmetic number, because the mean of its divisors is an integer number (7300838160).

Almost surely, 2^112220321221 is an apocalyptic number.

It is an amenable number.

112220321221 is a deficient number, since it is larger than the sum of its proper divisors (4593089339).

112220321221 is a wasteful number, since it uses less digits than its factorization.

112220321221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10236.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 112220321221 its reverse (122123022211), we get a palindrome (234343343432).

The spelling of 112220321221 in words is "one hundred twelve billion, two hundred twenty million, three hundred twenty-one thousand, two hundred twenty-one".