11111230 has 32 divisors (see below), whose sum is σ = 21740544. Its totient is φ = 4064256.

The previous prime is 11111209. The next prime is 11111267. The reversal of 11111230 is 3211111.

It is a super-2 number, since 2×11111230² = 246918864225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16174 + ... + 16846.

It is an arithmetic number, because the mean of its divisors is an integer number (679392).

Almost surely, 2^11111230 is an apocalyptic number.

11111230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111230 is a deficient number, since it is larger than the sum of its proper divisors (10629314).

11111230 is a wasteful number, since it uses less digits than its factorization.

11111230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 11111230 is about 3333.3511666190. The cubic root of 11111230 is about 223.1451125726.

Adding to 11111230 its reverse (3211111), we get a palindrome (14322341).

The spelling of 11111230 in words is "eleven million, one hundred eleven thousand, two hundred thirty".