10001001133 has 4 divisors (see below), whose sum is σ = 10001371648. Its totient is φ = 10000630620.

The previous prime is 10001001119. The next prime is 10001001169. The reversal of 10001001133 is 33110010001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10001001133 - 2⁹ = 10001000621 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 (10001071133) 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, 141291 + ... + 199912.

It is an arithmetic number, because the mean of its divisors is an integer number (2500342912).

Almost surely, 2^10001001133 is an apocalyptic number.

It is an amenable number.

10001001133 is a deficient number, since it is larger than the sum of its proper divisors (370515).

10001001133 is an equidigital number, since it uses as much as digits as its factorization.

10001001133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370514.

The product of its (nonzero) digits is 9, while the sum is 10.

Adding to 10001001133 its reverse (33110010001), we get a palindrome (43111011134).

The spelling of 10001001133 in words is "ten billion, one million, one thousand, one hundred thirty-three".