213222313202 has 4 divisors (see below), whose sum is σ = 319833469806. Its totient is φ = 106611156600.

The previous prime is 213222313181. The next prime is 213222313207. The reversal of 213222313202 is 202313222312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 125812799401 + 87409513801 = 354701^2 + 295651^2 .

It is not an unprimeable number, because it can be changed into a prime (213222313207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53305578299 + ... + 53305578302.

Almost surely, 2^213222313202 is an apocalyptic number.

213222313202 is a deficient number, since it is larger than the sum of its proper divisors (106611156604).

213222313202 is a wasteful number, since it uses less digits than its factorization.

213222313202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106611156603.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 213222313202 its reverse (202313222312), we get a palindrome (415535535514).

The spelling of 213222313202 in words is "two hundred thirteen billion, two hundred twenty-two million, three hundred thirteen thousand, two hundred two".