221213353162 has 8 divisors (see below), whose sum is σ = 351338855076. Its totient is φ = 104100401472.

The previous prime is 221213353139. The next prime is 221213353259. The reversal of 221213353162 is 261353312122.

221213353162 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 220532612881 + 680740281 = 469609^2 + 26091^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 3253137513 + ... + 3253137580.

Almost surely, 2^221213353162 is an apocalyptic number.

221213353162 is a deficient number, since it is larger than the sum of its proper divisors (130125501914).

221213353162 is a wasteful number, since it uses less digits than its factorization.

221213353162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6506275112.

The product of its digits is 12960, while the sum is 31.

Adding to 221213353162 its reverse (261353312122), we get a palindrome (482566665284).

The spelling of 221213353162 in words is "two hundred twenty-one billion, two hundred thirteen million, three hundred fifty-three thousand, one hundred sixty-two".