213232201101 has 12 divisors (see below), whose sum is σ = 326119837212. Its totient is φ = 133792753536.

The previous prime is 213232201099. The next prime is 213232201103. The reversal of 213232201101 is 101102232312.

213232201101 is a `hidden beast` number, since 21 + 323 + 220 + 1 + 101 = 666.

It is an interprime number because it is at equal distance from previous prime (213232201099) and next prime (213232201103).

It can be written as a sum of positive squares in 2 ways, for example, as 154390055625 + 58842145476 = 392925^2 + 242574^2 .

It is not a de Polignac number, because 213232201101 - 2¹ = 213232201099 is a prime.

It is a super-2 number, since 2×213232201101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213232201103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 696837106 + ... + 696837411.

It is an arithmetic number, because the mean of its divisors is an integer number (27176653101).

Almost surely, 2^213232201101 is an apocalyptic number.

It is an amenable number.

213232201101 is a deficient number, since it is larger than the sum of its proper divisors (112887636111).

213232201101 is a wasteful number, since it uses less digits than its factorization.

213232201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393674540 (or 1393674537 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 213232201101 its reverse (101102232312), we get a palindrome (314334433413).

The spelling of 213232201101 in words is "two hundred thirteen billion, two hundred thirty-two million, two hundred one thousand, one hundred one".