11303210012011 has 4 divisors (see below), whose sum is σ = 11307454554672. Its totient is φ = 11298965469352.

The previous prime is 11303210012009. The next prime is 11303210012023. The reversal of 11303210012011 is 11021001230311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11303210012011 - 2¹ = 11303210012009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11303210012051) 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, 2122267336 + ... + 2122272661.

It is an arithmetic number, because the mean of its divisors is an integer number (2826863638668).

Almost surely, 2^{11303210012011} is an apocalyptic number.

11303210012011 is a deficient number, since it is larger than the sum of its proper divisors (4244542661).

11303210012011 is an equidigital number, since it uses as much as digits as its factorization.

11303210012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4244542660.

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

Adding to 11303210012011 its reverse (11021001230311), we get a palindrome (22324211242322).

The spelling of 11303210012011 in words is "eleven trillion, three hundred three billion, two hundred ten million, twelve thousand, eleven".