221312040214 has 32 divisors (see below), whose sum is σ = 348932634624. Its totient is φ = 105072992640.

The previous prime is 221312040181. The next prime is 221312040233. The reversal of 221312040214 is 412040213122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6588987 + ... + 6622489.

It is an arithmetic number, because the mean of its divisors is an integer number (10904144832).

Almost surely, 2^221312040214 is an apocalyptic number.

221312040214 is a deficient number, since it is larger than the sum of its proper divisors (127620594410).

221312040214 is a wasteful number, since it uses less digits than its factorization.

221312040214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34572.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 221312040214 its reverse (412040213122), we get a palindrome (633352253336).

The spelling of 221312040214 in words is "two hundred twenty-one billion, three hundred twelve million, forty thousand, two hundred fourteen".