11312333221 has 8 divisors (see below), whose sum is σ = 13608822080. Its totient is φ = 9185954688.

The previous prime is 11312333213. The next prime is 11312333233. The reversal of 11312333221 is 12233321311.

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 11312333221 - 2³ = 11312333213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11312333192 and 11312333201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312333261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42527436 + ... + 42527701.

It is an arithmetic number, because the mean of its divisors is an integer number (1701102760).

Almost surely, 2^11312333221 is an apocalyptic number.

It is an amenable number.

11312333221 is a deficient number, since it is larger than the sum of its proper divisors (2296488859).

11312333221 is an equidigital number, since it uses as much as digits as its factorization.

11312333221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85055163.

The product of its digits is 648, while the sum is 22.

Adding to 11312333221 its reverse (12233321311), we get a palindrome (23545654532).

The spelling of 11312333221 in words is "eleven billion, three hundred twelve million, three hundred thirty-three thousand, two hundred twenty-one".