213132232101 has 24 divisors (see below), whose sum is σ = 297159212896. Its totient is φ = 135869136480.

The previous prime is 213132232087. The next prime is 213132232127. The reversal of 213132232101 is 101232231312.

It is not a de Polignac number, because 213132232101 - 2¹⁰ = 213132231077 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 (213132232171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5715246 + ... + 5752416.

Almost surely, 2^213132232101 is an apocalyptic number.

It is an amenable number.

213132232101 is a deficient number, since it is larger than the sum of its proper divisors (84026980795).

213132232101 is a wasteful number, since it uses less digits than its factorization.

213132232101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40833 (or 40810 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213132232101 its reverse (101232231312), we get a palindrome (314364463413).

The spelling of 213132232101 in words is "two hundred thirteen billion, one hundred thirty-two million, two hundred thirty-two thousand, one hundred one".