1103200021444 has 24 divisors (see below), whose sum is σ = 1941013575648. Its totient is φ = 548631894720.

The previous prime is 1103200021403. The next prime is 1103200021447. The reversal of 1103200021444 is 4441200023011.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1103200021447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282334 + ... + 1511989.

It is an arithmetic number, because the mean of its divisors is an integer number (80875565652).

Almost surely, 2^{1103200021444} is an apocalyptic number.

It is an amenable number.

1103200021444 is a deficient number, since it is larger than the sum of its proper divisors (837813554204).

1103200021444 is a wasteful number, since it uses less digits than its factorization.

1103200021444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795155 (or 1795153 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1103200021444 its reverse (4441200023011), we get a palindrome (5544400044455).

The spelling of 1103200021444 in words is "one trillion, one hundred three billion, two hundred million, twenty-one thousand, four hundred forty-four".