11003211001 has 16 divisors (see below), whose sum is σ = 11477793600. Its totient is φ = 10535313600.

The previous prime is 11003210989. The next prime is 11003211061. The reversal of 11003211001 is 10011230011.

It is a cyclic number.

It is not a de Polignac number, because 11003211001 - 2⁵ = 11003210969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11003211061) 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, 1986606 + ... + 1992136.

It is an arithmetic number, because the mean of its divisors is an integer number (717362100).

Almost surely, 2^11003211001 is an apocalyptic number.

It is an amenable number.

11003211001 is a deficient number, since it is larger than the sum of its proper divisors (474582599).

11003211001 is a wasteful number, since it uses less digits than its factorization.

11003211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6120.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 11003211001 its reverse (10011230011), we get a palindrome (21014441012).

The spelling of 11003211001 in words is "eleven billion, three million, two hundred eleven thousand, one".