11130221242 has 32 divisors (see below), whose sum is σ = 20102100480. Its totient is φ = 4515102000.

The previous prime is 11130221239. The next prime is 11130221243. The reversal of 11130221242 is 24212203111.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (11130221243) 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 15 ways as a sum of consecutive naturals, for example, 298117 + ... + 333367.

It is an arithmetic number, because the mean of its divisors is an integer number (628190640).

Almost surely, 2^11130221242 is an apocalyptic number.

11130221242 is a deficient number, since it is larger than the sum of its proper divisors (8971879238).

11130221242 is a wasteful number, since it uses less digits than its factorization.

11130221242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36466.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11130221242 its reverse (24212203111), we get a palindrome (35342424353).

The spelling of 11130221242 in words is "eleven billion, one hundred thirty million, two hundred twenty-one thousand, two hundred forty-two".