1103243021044 has 12 divisors (see below), whose sum is σ = 1931048977984. Its totient is φ = 551514741624.

The previous prime is 1103243021017. The next prime is 1103243021051. The reversal of 1103243021044 is 4401203423011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26668974 + ... + 26710309.

Almost surely, 2^{1103243021044} is an apocalyptic number.

It is an amenable number.

1103243021044 is a deficient number, since it is larger than the sum of its proper divisors (827805956940).

1103243021044 is a wasteful number, since it uses less digits than its factorization.

1103243021044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53384454 (or 53384452 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1103243021044 its reverse (4401203423011), we get a palindrome (5504446444055).

The spelling of 1103243021044 in words is "one trillion, one hundred three billion, two hundred forty-three million, twenty-one thousand, forty-four".