11111200120002 has 32 divisors (see below), whose sum is σ = 22938858562752. Its totient is φ = 3585339906624.

The previous prime is 11111200119991. The next prime is 11111200120067. The reversal of 11111200120002 is 20002100211111.

It is a self number, because there is not a number n which added to its sum of digits gives 11111200120002.

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 15 ways as a sum of consecutive naturals, for example, 126987868 + ... + 127075335.

It is an arithmetic number, because the mean of its divisors is an integer number (716839330086).

Almost surely, 2^{11111200120002} is an apocalyptic number.

11111200120002 is an abundant number, since it is smaller than the sum of its proper divisors (11827658442750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11111200120002 is a wasteful number, since it uses less digits than its factorization.

11111200120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254063442.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11111200120002 its reverse (20002100211111), we get a palindrome (31113300331113).

The spelling of 11111200120002 in words is "eleven trillion, one hundred eleven billion, two hundred million, one hundred twenty thousand, two".