11021200000002 has 12 divisors (see below), whose sum is σ = 23879266666710. Its totient is φ = 3673733333328.

The previous prime is 11021199999917. The next prime is 11021200000009. The reversal of 11021200000002 is 20000000212011.

It can be written as a sum of positive squares in only one way, i.e., 10364336758161 + 656863241841 = 3219369^2 + 810471^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a self number, because there is not a number n which added to its sum of digits gives 11021200000002.

It is not an unprimeable number, because it can be changed into a prime (11021200000009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 306144444427 + ... + 306144444462.

Almost surely, 2^{11021200000002} is an apocalyptic number.

11021200000002 is an abundant number, since it is smaller than the sum of its proper divisors (12858066666708).

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

11021200000002 is a wasteful number, since it uses less digits than its factorization.

11021200000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612288888897 (or 612288888894 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 11021200000002 its reverse (20000000212011), we get a palindrome (31021200212013).

The spelling of 11021200000002 in words is "eleven trillion, twenty-one billion, two hundred million, two", and thus it is an aban number.