221002203001223 has 16 divisors (see below), whose sum is σ = 255046210598400. Its totient is φ = 187585284348000.

The previous prime is 221002203001123. The next prime is 221002203001259. The reversal of 221002203001223 is 322100302200122.

It is a happy number.

It is not a de Polignac number, because 221002203001223 - 2²⁴ = 221002186224007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221002203001195 and 221002203001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221002203001273) 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, 375658628 + ... + 376246473.

It is an arithmetic number, because the mean of its divisors is an integer number (15940388162400).

Almost surely, 2^{221002203001223} is an apocalyptic number.

221002203001223 is a deficient number, since it is larger than the sum of its proper divisors (34044007597177).

221002203001223 is a wasteful number, since it uses less digits than its factorization.

221002203001223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751905518.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 221002203001223 its reverse (322100302200122), we get a palindrome (543102505201345).

The spelling of 221002203001223 in words is "two hundred twenty-one trillion, two billion, two hundred three million, one thousand, two hundred twenty-three".