11001001221002 has 16 divisors (see below), whose sum is σ = 18148951279872. Its totient is φ = 4969355706480.

The previous prime is 11001001220983. The next prime is 11001001221013. The reversal of 11001001221002 is 20012210010011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4501226774 + ... + 4501229217.

It is an arithmetic number, because the mean of its divisors is an integer number (1134309454992).

Almost surely, 2^{11001001221002} is an apocalyptic number.

11001001221002 is a deficient number, since it is larger than the sum of its proper divisors (7147950058870).

11001001221002 is a wasteful number, since it uses less digits than its factorization.

11001001221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9002456053.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11001001221002 its reverse (20012210010011), we get a palindrome (31013211231013).

The spelling of 11001001221002 in words is "eleven trillion, one billion, one million, two hundred twenty-one thousand, two".