112220012221 has 8 divisors (see below), whose sum is σ = 112827686400. Its totient is φ = 111612548160.

The previous prime is 112220012209. The next prime is 112220012291. The reversal of 112220012221 is 122210022211.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112220012221 is a prime.

It is a super-2 number, since 2×112220012221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112220012195 and 112220012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112220012291) 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, 1084885 + ... + 1183813.

It is an arithmetic number, because the mean of its divisors is an integer number (14103460800).

Almost surely, 2^112220012221 is an apocalyptic number.

It is an amenable number.

112220012221 is a deficient number, since it is larger than the sum of its proper divisors (607674179).

112220012221 is an equidigital number, since it uses as much as digits as its factorization.

112220012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105059.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 112220012221 its reverse (122210022211), we get a palindrome (234430034432).

The spelling of 112220012221 in words is "one hundred twelve billion, two hundred twenty million, twelve thousand, two hundred twenty-one".