213240133101 has 16 divisors (see below), whose sum is σ = 293516679680. Its totient is φ = 137562615360.

The previous prime is 213240133031. The next prime is 213240133111. The reversal of 213240133101 is 101331042312.

It is not a de Polignac number, because 213240133101 - 2¹⁷ = 213240002029 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 (213240133111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1082115 + ... + 1263903.

It is an arithmetic number, because the mean of its divisors is an integer number (18344792480).

Almost surely, 2^213240133101 is an apocalyptic number.

It is an amenable number.

213240133101 is a deficient number, since it is larger than the sum of its proper divisors (80276546579).

213240133101 is a wasteful number, since it uses less digits than its factorization.

213240133101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194436.

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

Adding to 213240133101 its reverse (101331042312), we get a palindrome (314571175413).

The spelling of 213240133101 in words is "two hundred thirteen billion, two hundred forty million, one hundred thirty-three thousand, one hundred one".