221312341324030 has 128 divisors (see below), whose sum is σ = 439861900262400. Its totient is φ = 79505556480000.

The previous prime is 221312341324001. The next prime is 221312341324069. The reversal of 221312341324030 is 30423143213122.

It is a junction number, because it is equal to n+sod(n) for n = 221312341323983 and 221312341324001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2289523900 + ... + 2289620560.

It is an arithmetic number, because the mean of its divisors is an integer number (3436421095800).

Almost surely, 2^{221312341324030} is an apocalyptic number.

221312341324030 is a deficient number, since it is larger than the sum of its proper divisors (218549558938370).

221312341324030 is a wasteful number, since it uses less digits than its factorization.

221312341324030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97586.

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

Adding to 221312341324030 its reverse (30423143213122), we get a palindrome (251735484537152).

The spelling of 221312341324030 in words is "two hundred twenty-one trillion, three hundred twelve billion, three hundred forty-one million, three hundred twenty-four thousand, thirty".