221375102193 has 24 divisors (see below), whose sum is σ = 378979601728. Its totient is φ = 126500057424.

The previous prime is 221375102171. The next prime is 221375102197. The reversal of 221375102193 is 391201573122.

It is a happy number.

221375102193 is a `hidden beast` number, since 2 + 2 + 1 + 37 + 510 + 21 + 93 = 666.

It is not a de Polignac number, because 221375102193 - 2¹⁰ = 221375101169 is a prime.

It is a super-2 number, since 2×221375102193² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221375102197) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65070346 + ... + 65073747.

Almost surely, 2^221375102193 is an apocalyptic number.

It is an amenable number.

221375102193 is a deficient number, since it is larger than the sum of its proper divisors (157604499535).

221375102193 is an equidigital number, since it uses as much as digits as its factorization.

221375102193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130144115 (or 130144103 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 221375102193 in words is "two hundred twenty-one billion, three hundred seventy-five million, one hundred two thousand, one hundred ninety-three".