221212331341301 has 16 divisors (see below), whose sum is σ = 235829952944640. Its totient is φ = 207126964866240.

The previous prime is 221212331341271. The next prime is 221212331341361. The reversal of 221212331341301 is 103143133212122.

It is a cyclic number.

It is not a de Polignac number, because 221212331341301 - 2²⁶ = 221212264232437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221212331341361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538514426 + ... + 538925051.

It is an arithmetic number, because the mean of its divisors is an integer number (14739372059040).

Almost surely, 2^{221212331341301} is an apocalyptic number.

It is an amenable number.

221212331341301 is a deficient number, since it is larger than the sum of its proper divisors (14617621603339).

221212331341301 is a wasteful number, since it uses less digits than its factorization.

221212331341301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077439724.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 221212331341301 its reverse (103143133212122), we get a palindrome (324355464553423).

The spelling of 221212331341301 in words is "two hundred twenty-one trillion, two hundred twelve billion, three hundred thirty-one million, three hundred forty-one thousand, three hundred one".