1103220021200 has 60 divisors (see below), whose sum is σ = 2891439394368. Its totient is φ = 401170915200.

The previous prime is 1103220021199. The next prime is 1103220021203. The reversal of 1103220021200 is 21200223011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103220021203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125361512 + ... + 125370311.

Almost surely, 2^{1103220021200} is an apocalyptic number.

1103220021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103220021200 is an abundant number, since it is smaller than the sum of its proper divisors (1788219373168).

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

1103220021200 is a wasteful number, since it uses less digits than its factorization.

1103220021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250731852 (or 250731841 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1103220021200 its reverse (21200223011), we get a palindrome (1124420244211).

The spelling of 1103220021200 in words is "one trillion, one hundred three billion, two hundred twenty million, twenty-one thousand, two hundred".