221346575143275 has 12 divisors (see below), whose sum is σ = 365959670903672. Its totient is φ = 118051506743040.

The previous prime is 221346575143129. The next prime is 221346575143327. The reversal of 221346575143275 is 572341575643122.

It is not a de Polignac number, because 221346575143275 - 2¹³ = 221346575135083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1475643834214 + ... + 1475643834363.

Almost surely, 2^{221346575143275} is an apocalyptic number.

221346575143275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

221346575143275 is a deficient number, since it is larger than the sum of its proper divisors (144613095760397).

221346575143275 is a wasteful number, since it uses less digits than its factorization.

221346575143275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951287668590 (or 2951287668585 counting only the distinct ones).

The product of its digits is 42336000, while the sum is 57.

The spelling of 221346575143275 in words is "two hundred twenty-one trillion, three hundred forty-six billion, five hundred seventy-five million, one hundred forty-three thousand, two hundred seventy-five".