1001332211133 has 4 divisors (see below), whose sum is σ = 1335109614848. Its totient is φ = 667554807420.

The previous prime is 1001332211129. The next prime is 1001332211183. The reversal of 1001332211133 is 3311122331001.

It is a happy number.

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 not a de Polignac number, because 1001332211133 - 2² = 1001332211129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001332211183) 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, 166888701853 + ... + 166888701858.

It is an arithmetic number, because the mean of its divisors is an integer number (333777403712).

Almost surely, 2^{1001332211133} is an apocalyptic number.

It is an amenable number.

1001332211133 is a deficient number, since it is larger than the sum of its proper divisors (333777403715).

1001332211133 is an equidigital number, since it uses as much as digits as its factorization.

1001332211133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333777403714.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1001332211133 its reverse (3311122331001), we get a palindrome (4312454542134).

The spelling of 1001332211133 in words is "one trillion, one billion, three hundred thirty-two million, two hundred eleven thousand, one hundred thirty-three".