221421714134675 has 24 divisors (see below), whose sum is σ = 275966130489600. Its totient is φ = 176232229351200.

The previous prime is 221421714134669. The next prime is 221421714134759. The reversal of 221421714134675 is 576431417124122.

221421714134675 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221421714134675 - 2⁸ = 221421714134419 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56731820 + ... + 60509030.

It is an arithmetic number, because the mean of its divisors is an integer number (11498588770400).

Almost surely, 2^{221421714134675} is an apocalyptic number.

221421714134675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

221421714134675 is a deficient number, since it is larger than the sum of its proper divisors (54544416354925).

221421714134675 is a wasteful number, since it uses less digits than its factorization.

221421714134675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789203 (or 3789198 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 50.

The spelling of 221421714134675 in words is "two hundred twenty-one trillion, four hundred twenty-one billion, seven hundred fourteen million, one hundred thirty-four thousand, six hundred seventy-five".