221323023202 has 8 divisors (see below), whose sum is σ = 337426904412. Its totient is φ = 108847388400.

The previous prime is 221323023167. The next prime is 221323023277. The reversal of 221323023202 is 202320323122.

221323023202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 215603277561 + 5719745641 = 464331^2 + 75629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 907061449 + ... + 907061692.

Almost surely, 2^221323023202 is an apocalyptic number.

221323023202 is a deficient number, since it is larger than the sum of its proper divisors (116103881210).

221323023202 is a wasteful number, since it uses less digits than its factorization.

221323023202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814123204.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 221323023202 its reverse (202320323122), we get a palindrome (423643346324).

The spelling of 221323023202 in words is "two hundred twenty-one billion, three hundred twenty-three million, twenty-three thousand, two hundred two".