11103213133200 has 120 divisors (see below), whose sum is σ = 35572160736000. Its totient is φ = 2960451591680.

The previous prime is 11103213133193. The next prime is 11103213133211. The reversal of 11103213133200 is 233131230111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

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, 8189281 + ... + 9448319.

It is an arithmetic number, because the mean of its divisors is an integer number (296434672800).

Almost surely, 2^{11103213133200} is an apocalyptic number.

11103213133200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11103213133200 is an abundant number, since it is smaller than the sum of its proper divisors (24468947602800).

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

11103213133200 is a wasteful number, since it uses less digits than its factorization.

11103213133200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266409 (or 1266398 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 11103213133200 its reverse (233131230111), we get a palindrome (11336344363311).

The spelling of 11103213133200 in words is "eleven trillion, one hundred three billion, two hundred thirteen million, one hundred thirty-three thousand, two hundred".