11203312223211 has 4 divisors (see below), whose sum is σ = 14937749630952. Its totient is φ = 7468874815472.

The previous prime is 11203312223203. The next prime is 11203312223239. The reversal of 11203312223211 is 11232221330211.

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 11203312223211 - 2³ = 11203312223203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11203312223251) 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, 1867218703866 + ... + 1867218703871.

It is an arithmetic number, because the mean of its divisors is an integer number (3734437407738).

Almost surely, 2^{11203312223211} is an apocalyptic number.

11203312223211 is a deficient number, since it is larger than the sum of its proper divisors (3734437407741).

11203312223211 is an equidigital number, since it uses as much as digits as its factorization.

11203312223211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734437407740.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 11203312223211 its reverse (11232221330211), we get a palindrome (22435533553422).

The spelling of 11203312223211 in words is "eleven trillion, two hundred three billion, three hundred twelve million, two hundred twenty-three thousand, two hundred eleven".