1100212133 has 4 divisors (see below), whose sum is σ = 1105912908. Its totient is φ = 1094511360.

The previous prime is 1100212129. The next prime is 1100212151. The reversal of 1100212133 is 3312120011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 425927044 + 674285089 = 20638^2 + 25967^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100212133 - 2² = 1100212129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100212193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2850098 + ... + 2850483.

It is an arithmetic number, because the mean of its divisors is an integer number (276478227).

Almost surely, 2^1100212133 is an apocalyptic number.

It is an amenable number.

1100212133 is a deficient number, since it is larger than the sum of its proper divisors (5700775).

1100212133 is an equidigital number, since it uses as much as digits as its factorization.

1100212133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5700774.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1100212133 is about 33169.4457746885. The cubic root of 1100212133 is about 1032.3464689723.

Adding to 1100212133 its reverse (3312120011), we get a palindrome (4412332144).

The spelling of 1100212133 in words is "one billion, one hundred million, two hundred twelve thousand, one hundred thirty-three".