221102413342330 has 16 divisors (see below), whose sum is σ = 428598524325384. Its totient is φ = 81637814157120.

The previous prime is 221102413342273. The next prime is 221102413342361. The reversal of 221102413342330 is 33243314201122.

It can be written as a sum of positive squares in 4 ways, for example, as 55421726708929 + 165680686633401 = 7444577^2 + 12871701^2 .

It is a junction number, because it is equal to n+sod(n) for n = 221102413342292 and 221102413342301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 850393897341 + ... + 850393897600.

Almost surely, 2^{221102413342330} is an apocalyptic number.

221102413342330 is a deficient number, since it is larger than the sum of its proper divisors (207496110983054).

221102413342330 is a wasteful number, since it uses less digits than its factorization.

221102413342330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700787794961.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 221102413342330 its reverse (33243314201122), we get a palindrome (254345727543452).

The spelling of 221102413342330 in words is "two hundred twenty-one trillion, one hundred two billion, four hundred thirteen million, three hundred forty-two thousand, three hundred thirty".