11103221210 has 16 divisors (see below), whose sum is σ = 20324541600. Its totient is φ = 4366012176.

The previous prime is 11103221189. The next prime is 11103221219. The reversal of 11103221210 is 1212230111.

It is not an unprimeable number, because it can be changed into a prime (11103221219) 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, 9408920 + ... + 9410099.

It is an arithmetic number, because the mean of its divisors is an integer number (1270283850).

Almost surely, 2^11103221210 is an apocalyptic number.

11103221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11103221210 is a deficient number, since it is larger than the sum of its proper divisors (9221320390).

11103221210 is a wasteful number, since it uses less digits than its factorization.

11103221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18819085.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11103221210 its reverse (1212230111), we get a palindrome (12315451321).

The spelling of 11103221210 in words is "eleven billion, one hundred three million, two hundred twenty-one thousand, two hundred ten".