213201113022 has 48 divisors (see below), whose sum is σ = 478236798000. Its totient is φ = 68563001472.

The previous prime is 213201113003. The next prime is 213201113071. The reversal of 213201113022 is 220311102312.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 213201112986 and 213201113004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 514429 + ... + 831287.

It is an arithmetic number, because the mean of its divisors is an integer number (9963266625).

Almost surely, 2^213201113022 is an apocalyptic number.

213201113022 is an abundant number, since it is smaller than the sum of its proper divisors (265035684978).

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

213201113022 is a wasteful number, since it uses less digits than its factorization.

213201113022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318185 (or 318182 counting only the distinct ones).

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

Adding to 213201113022 its reverse (220311102312), we get a palindrome (433512215334).

The spelling of 213201113022 in words is "two hundred thirteen billion, two hundred one million, one hundred thirteen thousand, twenty-two".