1100212443 has 32 divisors (see below), whose sum is σ = 1882725120. Its totient is φ = 627569280.

The previous prime is 1100212439. The next prime is 1100212453. The reversal of 1100212443 is 3442120011.

1100212443 is a `hidden beast` number, since 1 + 10 + 0 + 212 + 443 = 666.

1100212443 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1100212443 - 2² = 1100212439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1100212433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103905 + ... + 114002.

It is an arithmetic number, because the mean of its divisors is an integer number (58835160).

Almost surely, 2^1100212443 is an apocalyptic number.

1100212443 is a deficient number, since it is larger than the sum of its proper divisors (782512677).

1100212443 is a wasteful number, since it uses less digits than its factorization.

1100212443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217944 (or 217938 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1100212443 is about 33169.4504476634. The cubic root of 1100212443 is about 1032.3465659316.

Adding to 1100212443 its reverse (3442120011), we get a palindrome (4542332454).

The spelling of 1100212443 in words is "one billion, one hundred million, two hundred twelve thousand, four hundred forty-three".