213132321101 has 64 divisors (see below), whose sum is σ = 257389456896. Its totient is φ = 172730880000.

The previous prime is 213132321071. The next prime is 213132321113. The reversal of 213132321101 is 101123231312.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-213132321101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213132321601) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 304040051 + ... + 304040751.

It is an arithmetic number, because the mean of its divisors is an integer number (4021710264).

Almost surely, 2^213132321101 is an apocalyptic number.

It is an amenable number.

213132321101 is a deficient number, since it is larger than the sum of its proper divisors (44257135795).

213132321101 is a wasteful number, since it uses less digits than its factorization.

213132321101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 213132321101 its reverse (101123231312), we get a palindrome (314255552413).

The spelling of 213132321101 in words is "two hundred thirteen billion, one hundred thirty-two million, three hundred twenty-one thousand, one hundred one".