11203023213211 has 32 divisors (see below), whose sum is σ = 12246899068800. Its totient is φ = 10208977551360.

The previous prime is 11203023213203. The next prime is 11203023213241. The reversal of 11203023213211 is 11231232030211.

It is a cyclic number.

It is not a de Polignac number, because 11203023213211 - 2³ = 11203023213203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11203023213241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14489835 + ... + 15243403.

It is an arithmetic number, because the mean of its divisors is an integer number (382715595900).

Almost surely, 2^{11203023213211} is an apocalyptic number.

11203023213211 is a deficient number, since it is larger than the sum of its proper divisors (1043875855589).

11203023213211 is a wasteful number, since it uses less digits than its factorization.

11203023213211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753879.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11203023213211 its reverse (11231232030211), we get a palindrome (22434255243422).

The spelling of 11203023213211 in words is "eleven trillion, two hundred three billion, twenty-three million, two hundred thirteen thousand, two hundred eleven".