213023113122 has 8 divisors (see below), whose sum is σ = 426046226256. Its totient is φ = 71007704372.

The previous prime is 213023113111. The next prime is 213023113123. The reversal of 213023113122 is 221311320312.

It is a sphenic number, since it is the product of 3 distinct primes.

213023113122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (213023113123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17751926088 + ... + 17751926099.

It is an arithmetic number, because the mean of its divisors is an integer number (53255778282).

Almost surely, 2^213023113122 is an apocalyptic number.

213023113122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213023113122 is a wasteful number, since it uses less digits than its factorization.

213023113122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35503852192.

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

Adding to 213023113122 its reverse (221311320312), we get a palindrome (434334433434).

The spelling of 213023113122 in words is "two hundred thirteen billion, twenty-three million, one hundred thirteen thousand, one hundred twenty-two".