11111231330 has 8 divisors (see below), whose sum is σ = 20000216412. Its totient is φ = 4444492528.

The previous prime is 11111231321. The next prime is 11111231357. The reversal of 11111231330 is 3313211111.

It can be written as a sum of positive squares in 2 ways, for example, as 9950262001 + 1160969329 = 99751^2 + 34073^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 11111231299 and 11111231308.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 555561557 + ... + 555561576.

Almost surely, 2^11111231330 is an apocalyptic number.

11111231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111231330 is a deficient number, since it is larger than the sum of its proper divisors (8888985082).

11111231330 is a wasteful number, since it uses less digits than its factorization.

11111231330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111123140.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11111231330 its reverse (3313211111), we get a palindrome (14424442441).

The spelling of 11111231330 in words is "eleven billion, one hundred eleven million, two hundred thirty-one thousand, three hundred thirty".