221331313202 has 8 divisors (see below), whose sum is σ = 346431620736. Its totient is φ = 105854106292.

The previous prime is 221331313127. The next prime is 221331313213. The reversal of 221331313202 is 202313133122.

221331313202 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 2405775098 + ... + 2405775189.

It is an arithmetic number, because the mean of its divisors is an integer number (43303952592).

Almost surely, 2^221331313202 is an apocalyptic number.

221331313202 is a deficient number, since it is larger than the sum of its proper divisors (125100307534).

221331313202 is a wasteful number, since it uses less digits than its factorization.

221331313202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811550312.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 221331313202 its reverse (202313133122), we get a palindrome (423644446324).

The spelling of 221331313202 in words is "two hundred twenty-one billion, three hundred thirty-one million, three hundred thirteen thousand, two hundred two".