221134082399 has 12 divisors (see below), whose sum is σ = 224640438696. Its totient is φ = 217679238192.

The previous prime is 221134082359. The next prime is 221134082437. The reversal of 221134082399 is 993280431122.

It is not a de Polignac number, because 221134082399 - 2¹⁶ = 221134016863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221134082329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1850312 + ... + 1966194.

It is an arithmetic number, because the mean of its divisors is an integer number (18720036558).

Almost surely, 2^221134082399 is an apocalyptic number.

221134082399 is a deficient number, since it is larger than the sum of its proper divisors (3506356297).

221134082399 is an equidigital number, since it uses as much as digits as its factorization.

221134082399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116326 (or 116243 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 221134082399 in words is "two hundred twenty-one billion, one hundred thirty-four million, eighty-two thousand, three hundred ninety-nine".