11331123303211 has 4 divisors (see below), whose sum is σ = 11332925619552. Its totient is φ = 11329320986872.

The previous prime is 11331123303209. The next prime is 11331123303217. The reversal of 11331123303211 is 11230332113311.

11331123303211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11331123303211 - 2¹ = 11331123303209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331123303217) 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, 901148740 + ... + 901161313.

It is an arithmetic number, because the mean of its divisors is an integer number (2833231404888).

Almost surely, 2^{11331123303211} is an apocalyptic number.

11331123303211 is a deficient number, since it is larger than the sum of its proper divisors (1802316341).

11331123303211 is an equidigital number, since it uses as much as digits as its factorization.

11331123303211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802316340.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 11331123303211 its reverse (11230332113311), we get a palindrome (22561455416522).

The spelling of 11331123303211 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-three million, three hundred three thousand, two hundred eleven".