213332121222 has 48 divisors (see below), whose sum is σ = 481653194736. Its totient is φ = 62898897600.

The previous prime is 213332121209. The next prime is 213332121257. The reversal of 213332121222 is 222121233312.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 213332121192 and 213332121201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3944029 + ... + 3997752.

It is an arithmetic number, because the mean of its divisors is an integer number (10034441557).

Almost surely, 2^213332121222 is an apocalyptic number.

213332121222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213332121222 is an abundant number, since it is smaller than the sum of its proper divisors (268321073514).

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

213332121222 is a wasteful number, since it uses less digits than its factorization.

213332121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7941845 (or 7941834 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

Adding to 213332121222 its reverse (222121233312), we get a palindrome (435453354534).

The spelling of 213332121222 in words is "two hundred thirteen billion, three hundred thirty-two million, one hundred twenty-one thousand, two hundred twenty-two".