221301102300312 has 64 divisors (see below), whose sum is σ = 565214792762880. Its totient is φ = 72173155286912.

The previous prime is 221301102300269. The next prime is 221301102300401. The reversal of 221301102300312 is 213003201103122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29764203 + ... + 36448730.

It is an arithmetic number, because the mean of its divisors is an integer number (8831481136920).

Almost surely, 2^{221301102300312} is an apocalyptic number.

It is an amenable number.

221301102300312 is an abundant number, since it is smaller than the sum of its proper divisors (343913690462568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221301102300312 is a wasteful number, since it uses less digits than its factorization.

221301102300312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66215952 (or 66215948 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 221301102300312 its reverse (213003201103122), we get a palindrome (434304303403434).

The spelling of 221301102300312 in words is "two hundred twenty-one trillion, three hundred one billion, one hundred two million, three hundred thousand, three hundred twelve".