11331221110 has 64 divisors (see below), whose sum is σ = 22834690560. Its totient is φ = 4012807680.

The previous prime is 11331221107. The next prime is 11331221149. The reversal of 11331221110 is 1112213311.

It is a happy number.

11331221110 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1694734 + ... + 1701406.

It is an arithmetic number, because the mean of its divisors is an integer number (356792040).

Almost surely, 2^11331221110 is an apocalyptic number.

11331221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11331221110 is an abundant number, since it is smaller than the sum of its proper divisors (11503469450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11331221110 is a wasteful number, since it uses less digits than its factorization.

11331221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7093.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11331221110 its reverse (1112213311), we get a palindrome (12443434421).

The spelling of 11331221110 in words is "eleven billion, three hundred thirty-one million, two hundred twenty-one thousand, one hundred ten".