11733221213 has 8 divisors (see below), whose sum is σ = 13570955328. Its totient is φ = 9935877024.

The previous prime is 11733221197. The next prime is 11733221231. The reversal of 11733221213 is 31212233711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11733221213 - 2⁴ = 11733221197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11733221233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10096856 + ... + 10098017.

It is an arithmetic number, because the mean of its divisors is an integer number (1696369416).

Almost surely, 2^11733221213 is an apocalyptic number.

It is an amenable number.

11733221213 is a deficient number, since it is larger than the sum of its proper divisors (1837734115).

11733221213 is an equidigital number, since it uses as much as digits as its factorization.

11733221213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20194963.

The product of its digits is 1512, while the sum is 26.

Adding to 11733221213 its reverse (31212233711), we get a palindrome (42945454924).

The spelling of 11733221213 in words is "eleven billion, seven hundred thirty-three million, two hundred twenty-one thousand, two hundred thirteen".