11111220201002 has 16 divisors (see below), whose sum is σ = 16838882269440. Its totient is φ = 5498261002368.

The previous prime is 11111220201001. The next prime is 11111220201031. The reversal of 11111220201002 is 20010202211111.

It is not an unprimeable number, because it can be changed into a prime (11111220201001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15602183 + ... + 16298789.

It is an arithmetic number, because the mean of its divisors is an integer number (1052430141840).

Almost surely, 2^{11111220201002} is an apocalyptic number.

11111220201002 is a deficient number, since it is larger than the sum of its proper divisors (5727662068438).

11111220201002 is an equidigital number, since it uses as much as digits as its factorization.

11111220201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778925.

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

Adding to 11111220201002 its reverse (20010202211111), we get a palindrome (31121422412113).

The spelling of 11111220201002 in words is "eleven trillion, one hundred eleven billion, two hundred twenty million, two hundred one thousand, two".