11011001201 has 32 divisors (see below), whose sum is σ = 12541132800. Its totient is φ = 9604465920.

The previous prime is 11011001189. The next prime is 11011001227. The reversal of 11011001201 is 10210011011.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011001201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11011001231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4248416 + ... + 4251006.

It is an arithmetic number, because the mean of its divisors is an integer number (391910400).

Almost surely, 2^11011001201 is an apocalyptic number.

It is an amenable number.

11011001201 is a deficient number, since it is larger than the sum of its proper divisors (1530131599).

11011001201 is a wasteful number, since it uses less digits than its factorization.

11011001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11011001201 its reverse (10210011011), we get a palindrome (21221012212).

The spelling of 11011001201 in words is "eleven billion, eleven million, one thousand, two hundred one".