112221001012 has 24 divisors (see below), whose sum is σ = 198711682400. Its totient is φ = 55448953056.

The previous prime is 112221000989. The next prime is 112221001019. The reversal of 112221001012 is 210100122211.

It is a junction number, because it is equal to n+sod(n) for n = 112221000983 and 112221001001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221001019) 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, 174318 + ... + 504805.

Almost surely, 2^112221001012 is an apocalyptic number.

It is an amenable number.

112221001012 is a deficient number, since it is larger than the sum of its proper divisors (86490681388).

112221001012 is a wasteful number, since it uses less digits than its factorization.

112221001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679615 (or 679613 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112221001012 its reverse (210100122211), we get a palindrome (322321123223).

The spelling of 112221001012 in words is "one hundred twelve billion, two hundred twenty-one million, one thousand, twelve".