2101100133 has 8 divisors (see below), whose sum is σ = 3056145696. Its totient is φ = 1273394000.

The previous prime is 2101100129. The next prime is 2101100137. The reversal of 2101100133 is 3310011012.

It is an interprime number because it is at equal distance from previous prime (2101100129) and next prime (2101100137).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2101100133 - 2² = 2101100129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101100137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31834818 + ... + 31834883.

It is an arithmetic number, because the mean of its divisors is an integer number (382018212).

Almost surely, 2^2101100133 is an apocalyptic number.

It is an amenable number.

2101100133 is a deficient number, since it is larger than the sum of its proper divisors (955045563).

2101100133 is a wasteful number, since it uses less digits than its factorization.

2101100133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63669715.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 2101100133 is about 45837.7588130135. The cubic root of 2101100133 is about 1280.8027461713.

Adding to 2101100133 its reverse (3310011012), we get a palindrome (5411111145).

The spelling of 2101100133 in words is "two billion, one hundred one million, one hundred thousand, one hundred thirty-three".