221927729122 has 32 divisors (see below), whose sum is σ = 377564410944. Its totient is φ = 96946924800.

The previous prime is 221927729099. The next prime is 221927729159.

221927729122 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1775683 + ... + 1896550.

It is an arithmetic number, because the mean of its divisors is an integer number (11798887842).

Almost surely, 2^221927729122 is an apocalyptic number.

221927729122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221927729122 is a deficient number, since it is larger than the sum of its proper divisors (155636681822).

221927729122 is a wasteful number, since it uses less digits than its factorization.

221927729122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672354.

The product of its digits is 254016, while the sum is 46.

The spelling of 221927729122 in words is "two hundred twenty-one billion, nine hundred twenty-seven million, seven hundred twenty-nine thousand, one hundred twenty-two".