11011201002001 has 16 divisors (see below), whose sum is σ = 11511136454400. Its totient is φ = 10522514475648.

The previous prime is 11011201001993. The next prime is 11011201002007. The reversal of 11011201002001 is 10020010211011.

It is a cyclic number.

It is not a de Polignac number, because 11011201002001 - 2³ = 11011201001993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011201002007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4659805 + ... + 6613333.

It is an arithmetic number, because the mean of its divisors is an integer number (719446028400).

Almost surely, 2^{11011201002001} is an apocalyptic number.

It is an amenable number.

11011201002001 is a deficient number, since it is larger than the sum of its proper divisors (499935452399).

11011201002001 is a wasteful number, since it uses less digits than its factorization.

11011201002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956408.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11011201002001 its reverse (10020010211011), we get a palindrome (21031211213012).

The spelling of 11011201002001 in words is "eleven trillion, eleven billion, two hundred one million, two thousand, one".