11103321210 has 16 divisors (see below), whose sum is σ = 26647970976. Its totient is φ = 2960885648.

The previous prime is 11103321209. The next prime is 11103321217. The reversal of 11103321210 is 1212330111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11103321210.

It is not an unprimeable number, because it can be changed into a prime (11103321217) 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, 185055324 + ... + 185055383.

It is an arithmetic number, because the mean of its divisors is an integer number (1665498186).

Almost surely, 2^11103321210 is an apocalyptic number.

11103321210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11103321210 is an abundant number, since it is smaller than the sum of its proper divisors (15544649766).

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

11103321210 is a wasteful number, since it uses less digits than its factorization.

11103321210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370110717.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11103321210 its reverse (1212330111), we get a palindrome (12315651321).

The spelling of 11103321210 in words is "eleven billion, one hundred three million, three hundred twenty-one thousand, two hundred ten".