11011023203212 has 12 divisors (see below), whose sum is σ = 19292704087216. Its totient is φ = 5498822035440.

The previous prime is 11011023203189. The next prime is 11011023203237. The reversal of 11011023203212 is 21230232011011.

It is a self number, because there is not a number n which added to its sum of digits gives 11011023203212.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1672387839 + ... + 1672394422.

Almost surely, 2^{11011023203212} is an apocalyptic number.

It is an amenable number.

11011023203212 is a deficient number, since it is larger than the sum of its proper divisors (8281680884004).

11011023203212 is a wasteful number, since it uses less digits than its factorization.

11011023203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344783088 (or 3344783086 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11011023203212 its reverse (21230232011011), we get a palindrome (32241255214223).

The spelling of 11011023203212 in words is "eleven trillion, eleven billion, twenty-three million, two hundred three thousand, two hundred twelve".