221002031113223 has 4 divisors (see below), whose sum is σ = 221004890984640. Its totient is φ = 220999171241808.

The previous prime is 221002031113141. The next prime is 221002031113261. The reversal of 221002031113223 is 322311130200122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 221002031113223 - 2¹⁶ = 221002031047687 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 (221002031713223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1429819790 + ... + 1429974347.

It is an arithmetic number, because the mean of its divisors is an integer number (55251222746160).

Almost surely, 2^{221002031113223} is an apocalyptic number.

221002031113223 is a deficient number, since it is larger than the sum of its proper divisors (2859871417).

221002031113223 is an equidigital number, since it uses as much as digits as its factorization.

221002031113223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859871416.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 221002031113223 its reverse (322311130200122), we get a palindrome (543313161313345).

The spelling of 221002031113223 in words is "two hundred twenty-one trillion, two billion, thirty-one million, one hundred thirteen thousand, two hundred twenty-three".