221052034255 has 8 divisors (see below), whose sum is σ = 285667244352. Its totient is φ = 163238425248.

The previous prime is 221052034223. The next prime is 221052034283. The reversal of 221052034255 is 552430250122.

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

It is a cyclic number.

It is not a de Polignac number, because 221052034255 - 2⁵ = 221052034223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1700400199 + ... + 1700400328.

It is an arithmetic number, because the mean of its divisors is an integer number (35708405544).

Almost surely, 2^221052034255 is an apocalyptic number.

221052034255 is a deficient number, since it is larger than the sum of its proper divisors (64615210097).

221052034255 is a wasteful number, since it uses less digits than its factorization.

221052034255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400800545.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 221052034255 its reverse (552430250122), we get a palindrome (773482284377).

The spelling of 221052034255 in words is "two hundred twenty-one billion, fifty-two million, thirty-four thousand, two hundred fifty-five".