221544616703043 has 16 divisors (see below), whose sum is σ = 296117805589760. Its totient is φ = 147334037901984.

The previous prime is 221544616703041. The next prime is 221544616703057. The reversal of 221544616703043 is 340307616445122.

It is not a de Polignac number, because 221544616703043 - 2¹ = 221544616703041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221544616702983 and 221544616703001.

It is not an unprimeable number, because it can be changed into a prime (221544616703041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7315696 + ... + 22284717.

It is an arithmetic number, because the mean of its divisors is an integer number (18507362849360).

Almost surely, 2^{221544616703043} is an apocalyptic number.

221544616703043 is a deficient number, since it is larger than the sum of its proper divisors (74573188886717).

221544616703043 is a wasteful number, since it uses less digits than its factorization.

221544616703043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29606538.

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 221544616703043 in words is "two hundred twenty-one trillion, five hundred forty-four billion, six hundred sixteen million, seven hundred three thousand, forty-three".