11110221210 has 48 divisors (see below), whose sum is σ = 29308956768. Its totient is φ = 2693386080.

The previous prime is 11110221193. The next prime is 11110221251. The reversal of 11110221210 is 1212201111.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1526704 + ... + 1533963.

It is an arithmetic number, because the mean of its divisors is an integer number (610603266).

Almost surely, 2^11110221210 is an apocalyptic number.

11110221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11110221210 is an abundant number, since it is smaller than the sum of its proper divisors (18198735558).

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

11110221210 is a wasteful number, since it uses less digits than its factorization.

11110221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060699 (or 3060688 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11110221210 its reverse (1212201111), we get a palindrome (12322422321).

The spelling of 11110221210 in words is "eleven billion, one hundred ten million, two hundred twenty-one thousand, two hundred ten".