111221201211002 has 32 divisors (see below), whose sum is σ = 176569364928000. Its totient is φ = 52396867710000.

The previous prime is 111221201210993. The next prime is 111221201211047. The reversal of 111221201211002 is 200112102122111.

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 15 ways as a sum of consecutive naturals, for example, 14827877 + ... + 21031127.

It is an arithmetic number, because the mean of its divisors is an integer number (5517792654000).

Almost surely, 2^{111221201211002} is an apocalyptic number.

111221201211002 is a deficient number, since it is larger than the sum of its proper divisors (65348163716998).

111221201211002 is a wasteful number, since it uses less digits than its factorization.

111221201211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6205842.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111221201211002 its reverse (200112102122111), we get a palindrome (311333303333113).

The spelling of 111221201211002 in words is "one hundred eleven trillion, two hundred twenty-one billion, two hundred one million, two hundred eleven thousand, two".