11211130203001 has 4 divisors (see below), whose sum is σ = 11229599940352. Its totient is φ = 11192660465652.

The previous prime is 11211130202999. The next prime is 11211130203017. The reversal of 11211130203001 is 10030203111211.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 11211130203001 - 2¹ = 11211130202999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211130203041) 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, 9234867765 + ... + 9234868978.

It is an arithmetic number, because the mean of its divisors is an integer number (2807399985088).

Almost surely, 2^{11211130203001} is an apocalyptic number.

It is an amenable number.

11211130203001 is a deficient number, since it is larger than the sum of its proper divisors (18469737351).

11211130203001 is an equidigital number, since it uses as much as digits as its factorization.

11211130203001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18469737350.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11211130203001 its reverse (10030203111211), we get a palindrome (21241333314212).

The spelling of 11211130203001 in words is "eleven trillion, two hundred eleven billion, one hundred thirty million, two hundred three thousand, one".