213312211101322 has 4 divisors (see below), whose sum is σ = 319968316651986. Its totient is φ = 106656105550660.

The previous prime is 213312211101307. The next prime is 213312211101349. The reversal of 213312211101322 is 223101112213312.

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., 183475937718241 + 29836273383081 = 13545329^2 + 5462259^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53328052775329 + ... + 53328052775332.

Almost surely, 2^{213312211101322} is an apocalyptic number.

213312211101322 is a deficient number, since it is larger than the sum of its proper divisors (106656105550664).

213312211101322 is a wasteful number, since it uses less digits than its factorization.

213312211101322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106656105550663.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 213312211101322 its reverse (223101112213312), we get a palindrome (436413323314634).

The spelling of 213312211101322 in words is "two hundred thirteen trillion, three hundred twelve billion, two hundred eleven million, one hundred one thousand, three hundred twenty-two".