11221003133212 has 48 divisors (see below), whose sum is σ = 21696443334720. Its totient is φ = 5050748797952.

The previous prime is 11221003133201. The next prime is 11221003133231. The reversal of 11221003133212 is 21233130012211.

It is a super-2 number, since 2×11221003133212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76620714 + ... + 76767022.

It is an arithmetic number, because the mean of its divisors is an integer number (452009236140).

Almost surely, 2^{11221003133212} is an apocalyptic number.

It is an amenable number.

11221003133212 is a deficient number, since it is larger than the sum of its proper divisors (10475440201508).

11221003133212 is a wasteful number, since it uses less digits than its factorization.

11221003133212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195390 (or 195388 counting only the distinct ones).

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

Adding to 11221003133212 its reverse (21233130012211), we get a palindrome (32454133145423).

The spelling of 11221003133212 in words is "eleven trillion, two hundred twenty-one billion, three million, one hundred thirty-three thousand, two hundred twelve".