221255422520122 has 8 divisors (see below), whose sum is σ = 333602735510196. Its totient is φ = 110054510683392.

The previous prime is 221255422520071. The next prime is 221255422520141. The reversal of 221255422520122 is 221025224552122.

It can be written as a sum of positive squares in 2 ways, for example, as 220525202708281 + 730219811841 = 14850091^2 + 854529^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286600287853 + ... + 286600288624.

Almost surely, 2^{221255422520122} is an apocalyptic number.

221255422520122 is a deficient number, since it is larger than the sum of its proper divisors (112347312990074).

221255422520122 is a wasteful number, since it uses less digits than its factorization.

221255422520122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573200576672.

The product of its (nonzero) digits is 128000, while the sum is 37.

The spelling of 221255422520122 in words is "two hundred twenty-one trillion, two hundred fifty-five billion, four hundred twenty-two million, five hundred twenty thousand, one hundred twenty-two".