221250065357375 has 32 divisors (see below), whose sum is σ = 280020468604032. Its totient is φ = 174500006688000.

The previous prime is 221250065357353. The next prime is 221250065357393. The reversal of 221250065357375 is 573753560052122.

It is not a de Polignac number, because 221250065357375 - 2⁸ = 221250065357119 is a prime.

It is a super-3 number, since 3×221250065357375³ (a number of 44 digits) contains 333 as substring.

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 31 ways as a sum of consecutive naturals, for example, 223626779 + ... + 224613971.

It is an arithmetic number, because the mean of its divisors is an integer number (8750639643876).

Almost surely, 2^{221250065357375} is an apocalyptic number.

221250065357375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

221250065357375 is a deficient number, since it is larger than the sum of its proper divisors (58770403246657).

221250065357375 is an equidigital number, since it uses as much as digits as its factorization.

221250065357375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012532 (or 1012522 counting only the distinct ones).

The product of its (nonzero) digits is 13230000, while the sum is 53.

The spelling of 221250065357375 in words is "two hundred twenty-one trillion, two hundred fifty billion, sixty-five million, three hundred fifty-seven thousand, three hundred seventy-five".