11221102231 has 8 divisors (see below), whose sum is σ = 11253060000. Its totient is φ = 11189176320.

The previous prime is 11221102223. The next prime is 11221102247. The reversal of 11221102231 is 13220112211.

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 11221102231 - 2³ = 11221102223 is a prime.

It is a super-2 number, since 2×11221102231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221102031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815295 + ... + 828943.

It is an arithmetic number, because the mean of its divisors is an integer number (1406632500).

Almost surely, 2^11221102231 is an apocalyptic number.

11221102231 is a deficient number, since it is larger than the sum of its proper divisors (31957769).

11221102231 is a wasteful number, since it uses less digits than its factorization.

11221102231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15929.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11221102231 its reverse (13220112211), we get a palindrome (24441214442).

The spelling of 11221102231 in words is "eleven billion, two hundred twenty-one million, one hundred two thousand, two hundred thirty-one".