213101012133 has 20 divisors (see below), whose sum is σ = 318722979168. Its totient is φ = 141894675720.

The previous prime is 213101012093. The next prime is 213101012141. The reversal of 213101012133 is 331210101312.

It is not a de Polignac number, because 213101012133 - 2¹⁸ = 213100749989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213101012143) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1531683 + ... + 1665008.

Almost surely, 2^213101012133 is an apocalyptic number.

It is an amenable number.

213101012133 is a deficient number, since it is larger than the sum of its proper divisors (105621967035).

213101012133 is an equidigital number, since it uses as much as digits as its factorization.

213101012133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197526 (or 3197517 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 213101012133 its reverse (331210101312), we get a palindrome (544311113445).

The spelling of 213101012133 in words is "two hundred thirteen billion, one hundred one million, twelve thousand, one hundred thirty-three".