213220302122 has 16 divisors (see below), whose sum is σ = 330719799552. Its totient is φ = 102992290560.

The previous prime is 213220302103. The next prime is 213220302133. The reversal of 213220302122 is 221203022312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213220302094 and 213220302103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2944328 + ... + 3015875.

It is an arithmetic number, because the mean of its divisors is an integer number (20669987472).

Almost surely, 2^213220302122 is an apocalyptic number.

213220302122 is a deficient number, since it is larger than the sum of its proper divisors (117499497430).

213220302122 is a wasteful number, since it uses less digits than its factorization.

213220302122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5960813.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 213220302122 its reverse (221203022312), we get a palindrome (434423324434).

The spelling of 213220302122 in words is "two hundred thirteen billion, two hundred twenty million, three hundred two thousand, one hundred twenty-two".