213102223320 has 64 divisors (see below), whose sum is σ = 730636197120. Its totient is φ = 48709079424.

The previous prime is 213102223309. The next prime is 213102223363. The reversal of 213102223320 is 23322201312.

It is a happy number.

213102223320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 15 ways as a sum of consecutive naturals, for example, 126845722 + ... + 126847401.

It is an arithmetic number, because the mean of its divisors is an integer number (11416190580).

Almost surely, 2^213102223320 is an apocalyptic number.

213102223320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213102223320 is an abundant number, since it is smaller than the sum of its proper divisors (517533973800).

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

213102223320 is a wasteful number, since it uses less digits than its factorization.

213102223320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253693144 (or 253693140 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 213102223320 its reverse (23322201312), we get a palindrome (236424424632).

The spelling of 213102223320 in words is "two hundred thirteen billion, one hundred two million, two hundred twenty-three thousand, three hundred twenty".