11001001201111 has 8 divisors (see below), whose sum is σ = 11019513988224. Its totient is φ = 10982489107200.

The previous prime is 11001001201109. The next prime is 11001001201153. The reversal of 11001001201111 is 11110210010011.

11001001201111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11001001201111 - 2¹ = 11001001201109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001001901111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39034575 + ... + 39315391.

It is an arithmetic number, because the mean of its divisors is an integer number (1377439248528).

Almost surely, 2^{11001001201111} is an apocalyptic number.

11001001201111 is a deficient number, since it is larger than the sum of its proper divisors (18512787113).

11001001201111 is an equidigital number, since it uses as much as digits as its factorization.

11001001201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346601.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11001001201111 its reverse (11110210010011), we get a palindrome (22111211211122).

The spelling of 11001001201111 in words is "eleven trillion, one billion, one million, two hundred one thousand, one hundred eleven".