11012200011 has 12 divisors (see below), whose sum is σ = 15931727760. Its totient is φ = 7329828240.

The previous prime is 11012199971. The next prime is 11012200021. The reversal of 11012200011 is 11000221011.

It is a happy number.

It is not a de Polignac number, because 11012200011 - 2¹³ = 11012191819 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 11012199966 and 11012200002.

It is not an unprimeable number, because it can be changed into a prime (11012200021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 963876 + ... + 975233.

It is an arithmetic number, because the mean of its divisors is an integer number (1327643980).

Almost surely, 2^11012200011 is an apocalyptic number.

11012200011 is a deficient number, since it is larger than the sum of its proper divisors (4919527749).

11012200011 is a wasteful number, since it uses less digits than its factorization.

11012200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939746 (or 1939743 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11012200011 its reverse (11000221011), we get a palindrome (22012421022).

The spelling of 11012200011 in words is "eleven billion, twelve million, two hundred thousand, eleven".