221014432085 has 4 divisors (see below), whose sum is σ = 265217318508. Its totient is φ = 176811545664.

The previous prime is 221014432069. The next prime is 221014432091. The reversal of 221014432085 is 580234410122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 580234410122 = 2 ⋅290117205061.

It can be written as a sum of positive squares in 2 ways, for example, as 63164758276 + 157849673809 = 251326^2 + 397303^2 .

It is a cyclic number.

It is not a de Polignac number, because 221014432085 - 2⁴ = 221014432069 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 3 ways as a sum of consecutive naturals, for example, 22101443204 + ... + 22101443213.

It is an arithmetic number, because the mean of its divisors is an integer number (66304329627).

Almost surely, 2^221014432085 is an apocalyptic number.

It is an amenable number.

221014432085 is a deficient number, since it is larger than the sum of its proper divisors (44202886423).

221014432085 is an equidigital number, since it uses as much as digits as its factorization.

221014432085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44202886422.

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 221014432085 in words is "two hundred twenty-one billion, fourteen million, four hundred thirty-two thousand, eighty-five".