213112213322 has 4 divisors (see below), whose sum is σ = 319668319986. Its totient is φ = 106556106660.

The previous prime is 213112213273. The next prime is 213112213331. The reversal of 213112213322 is 223312211312.

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., 213073636801 + 38576521 = 461599^2 + 6211^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53278053329 + ... + 53278053332.

Almost surely, 2^213112213322 is an apocalyptic number.

213112213322 is a deficient number, since it is larger than the sum of its proper divisors (106556106664).

213112213322 is a wasteful number, since it uses less digits than its factorization.

213112213322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106556106663.

The product of its digits is 864, while the sum is 23.

Adding to 213112213322 its reverse (223312211312), we get a palindrome (436424424634).

The spelling of 213112213322 in words is "two hundred thirteen billion, one hundred twelve million, two hundred thirteen thousand, three hundred twenty-two".