11203332212311 has 4 divisors (see below), whose sum is σ = 11361125623824. Its totient is φ = 11045538800800.

The previous prime is 11203332212309. The next prime is 11203332212353. The reversal of 11203332212311 is 11321223330211.

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 11203332212311 - 2¹ = 11203332212309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203332252311) 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, 78896705650 + ... + 78896705791.

It is an arithmetic number, because the mean of its divisors is an integer number (2840281405956).

Almost surely, 2^{11203332212311} is an apocalyptic number.

11203332212311 is a deficient number, since it is larger than the sum of its proper divisors (157793411513).

11203332212311 is an equidigital number, since it uses as much as digits as its factorization.

11203332212311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157793411512.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 11203332212311 its reverse (11321223330211), we get a palindrome (22524555542522).

The spelling of 11203332212311 in words is "eleven trillion, two hundred three billion, three hundred thirty-two million, two hundred twelve thousand, three hundred eleven".