112221221001002 has 8 divisors (see below), whose sum is σ = 168331879330212. Its totient is φ = 56110594557600.

The previous prime is 112221221000957. The next prime is 112221221001007. The reversal of 112221221001002 is 200100122122211.

It can be written as a sum of positive squares in 2 ways, for example, as 104404438186801 + 7816782814201 = 10217849^2 + 2795851^2 .

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

It is not an unprimeable number, because it can be changed into a prime (112221221001007) 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, 5141102 + ... + 15838982.

Almost surely, 2^{112221221001002} is an apocalyptic number.

112221221001002 is a deficient number, since it is larger than the sum of its proper divisors (56110658329210).

112221221001002 is a wasteful number, since it uses less digits than its factorization.

112221221001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15942904.

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

Adding to 112221221001002 its reverse (200100122122211), we get a palindrome (312321343123213).

The spelling of 112221221001002 in words is "one hundred twelve trillion, two hundred twenty-one billion, two hundred twenty-one million, one thousand, two".