11001200000211 has 24 divisors (see below), whose sum is σ = 16039902864960. Its totient is φ = 7265241159216.

The previous prime is 11001200000173. The next prime is 11001200000237. The reversal of 11001200000211 is 11200000210011.

It is a happy number.

It is not a de Polignac number, because 11001200000211 - 2⁷ = 11001200000083 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 = 11001200000193 and 11001200000202.

It is not an unprimeable number, because it can be changed into a prime (11001200000281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20617300 + ... + 21144158.

It is an arithmetic number, because the mean of its divisors is an integer number (668329286040).

Almost surely, 2^{11001200000211} is an apocalyptic number.

11001200000211 is a deficient number, since it is larger than the sum of its proper divisors (5038702864749).

11001200000211 is a wasteful number, since it uses less digits than its factorization.

11001200000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548655 (or 548652 counting only the distinct ones).

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

Adding to 11001200000211 its reverse (11200000210011), we get a palindrome (22201200210222).

The spelling of 11001200000211 in words is "eleven trillion, one billion, two hundred million, two hundred eleven", and thus it is an aban number.