112221021219 has 4 divisors (see below), whose sum is σ = 149628028296. Its totient is φ = 74814014144.

The previous prime is 112221021193. The next prime is 112221021257. The reversal of 112221021219 is 912120122211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112221021219 - 2⁹ = 112221020707 is a prime.

It is a super-2 number, since 2×112221021219² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112221021259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18703503534 + ... + 18703503539.

It is an arithmetic number, because the mean of its divisors is an integer number (37407007074).

Almost surely, 2^112221021219 is an apocalyptic number.

112221021219 is a deficient number, since it is larger than the sum of its proper divisors (37407007077).

112221021219 is an equidigital number, since it uses as much as digits as its factorization.

112221021219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37407007076.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 112221021219 in words is "one hundred twelve billion, two hundred twenty-one million, twenty-one thousand, two hundred nineteen".