11311122230 has 16 divisors (see below), whose sum is σ = 20856606624. Its totient is φ = 4414096320.

The previous prime is 11311122191. The next prime is 11311122239. The reversal of 11311122230 is 3222111311.

It is a super-2 number, since 2×11311122230² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11311122199 and 11311122208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311122239) 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, 13793642 + ... + 13794461.

It is an arithmetic number, because the mean of its divisors is an integer number (1303537914).

Almost surely, 2^11311122230 is an apocalyptic number.

11311122230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11311122230 is a deficient number, since it is larger than the sum of its proper divisors (9545484394).

11311122230 is a wasteful number, since it uses less digits than its factorization.

11311122230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27588151.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11311122230 its reverse (3222111311), we get a palindrome (14533233541).

The spelling of 11311122230 in words is "eleven billion, three hundred eleven million, one hundred twenty-two thousand, two hundred thirty".