1103303012100 has 36 divisors (see below), whose sum is σ = 3192223382544. Its totient is φ = 294214136480.

The previous prime is 1103303012059. The next prime is 1103303012101. The reversal of 1103303012100 is 12103033011.

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 1103303012100.

It is not an unprimeable number, because it can be changed into a prime (1103303012101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1838838054 + ... + 1838838653.

Almost surely, 2^{1103303012100} is an apocalyptic number.

1103303012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103303012100 is an abundant number, since it is smaller than the sum of its proper divisors (2088920370444).

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

1103303012100 is a wasteful number, since it uses less digits than its factorization.

1103303012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677676724 (or 3677676717 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 1103303012100 its reverse (12103033011), we get a palindrome (1115406045111).

The spelling of 1103303012100 in words is "one trillion, one hundred three billion, three hundred three million, twelve thousand, one hundred".