111221021001002 has 8 divisors (see below), whose sum is σ = 181998034365312. Its totient is φ = 50555009545900.

The previous prime is 111221021000989. The next prime is 111221021001089. The reversal of 111221021001002 is 200100120122111.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527750477274 + ... + 2527750477317.

It is an arithmetic number, because the mean of its divisors is an integer number (22749754295664).

Almost surely, 2^{111221021001002} is an apocalyptic number.

111221021001002 is a deficient number, since it is larger than the sum of its proper divisors (70777013364310).

111221021001002 is a wasteful number, since it uses less digits than its factorization.

111221021001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055500954604.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111221021001002 its reverse (200100120122111), we get a palindrome (311321141123113).

The spelling of 111221021001002 in words is "one hundred eleven trillion, two hundred twenty-one billion, twenty-one million, one thousand, two".