1113243444100 has 18 divisors (see below), whose sum is σ = 2415738273914. Its totient is φ = 445297377600.

The previous prime is 1113243444083. The next prime is 1113243444107. The reversal of 1113243444100 is 14443423111.

It can be written as a sum of positive squares in 3 ways, for example, as 197532246916 + 915711197184 = 444446^2 + 956928^2 .

It is not an unprimeable number, because it can be changed into a prime (1113243444107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5566217121 + ... + 5566217320.

Almost surely, 2^{1113243444100} is an apocalyptic number.

1113243444100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113243444100 is an abundant number, since it is smaller than the sum of its proper divisors (1302494829814).

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

1113243444100 is a wasteful number, since it uses less digits than its factorization.

1113243444100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11132434455 (or 11132434448 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1113243444100 its reverse (14443423111), we get a palindrome (1127686867211).

The spelling of 1113243444100 in words is "one trillion, one hundred thirteen billion, two hundred forty-three million, four hundred forty-four thousand, one hundred".