159113221222 has 16 divisors (see below), whose sum is σ = 243947175120. Its totient is φ = 77811186208.

The previous prime is 159113221177. The next prime is 159113221277. The reversal of 159113221222 is 222122311951.

It is a happy number.

It is a super-2 number, since 2×159113221222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3399133 + ... + 3445624.

It is an arithmetic number, because the mean of its divisors is an integer number (15246698445).

Almost surely, 2^159113221222 is an apocalyptic number.

159113221222 is a deficient number, since it is larger than the sum of its proper divisors (84833953898).

159113221222 is a wasteful number, since it uses less digits than its factorization.

159113221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6845015.

The product of its digits is 4320, while the sum is 31.

The spelling of 159113221222 in words is "one hundred fifty-nine billion, one hundred thirteen million, two hundred twenty-one thousand, two hundred twenty-two".