11500221010 has 16 divisors (see below), whose sum is σ = 21789892800. Its totient is φ = 4357978416.

The previous prime is 11500220999. The next prime is 11500221011. The reversal of 11500221010 is 1012200511.

It is a super-3 number, since 3×11500221010³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11500221011) 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 7 ways as a sum of consecutive naturals, for example, 30263550 + ... + 30263929.

It is an arithmetic number, because the mean of its divisors is an integer number (1361868300).

Almost surely, 2^11500221010 is an apocalyptic number.

11500221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11500221010 is a deficient number, since it is larger than the sum of its proper divisors (10289671790).

11500221010 is a wasteful number, since it uses less digits than its factorization.

11500221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60527505.

The product of its (nonzero) digits is 20, while the sum is 13.

Adding to 11500221010 its reverse (1012200511), we get a palindrome (12512421521).

The spelling of 11500221010 in words is "eleven billion, five hundred million, two hundred twenty-one thousand, ten".