11011011201001 has 4 divisors (see below), whose sum is σ = 12584012801152. Its totient is φ = 9438009600852.

The previous prime is 11011011200933. The next prime is 11011011201031. The reversal of 11011011201001 is 10010211011011.

11011011201001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11011011201001 - 2¹⁵ = 11011011168233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011011201031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 786500800065 + ... + 786500800078.

It is an arithmetic number, because the mean of its divisors is an integer number (3146003200288).

Almost surely, 2^{11011011201001} is an apocalyptic number.

It is an amenable number.

11011011201001 is a deficient number, since it is larger than the sum of its proper divisors (1573001600151).

11011011201001 is an equidigital number, since it uses as much as digits as its factorization.

11011011201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573001600150.

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

Adding to 11011011201001 its reverse (10010211011011), we get a palindrome (21021222212012).

The spelling of 11011011201001 in words is "eleven trillion, eleven billion, eleven million, two hundred one thousand, one".