212221101223303 has 4 divisors (see below), whose sum is σ = 212232017404528. Its totient is φ = 212210185042080.

The previous prime is 212221101223301. The next prime is 212221101223331. The reversal of 212221101223303 is 303322101122212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212221101223303 - 2¹ = 212221101223301 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 (212221101223301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5458061451 + ... + 5458100332.

It is an arithmetic number, because the mean of its divisors is an integer number (53058004351132).

Almost surely, 2^{212221101223303} is an apocalyptic number.

212221101223303 is a deficient number, since it is larger than the sum of its proper divisors (10916181225).

212221101223303 is a wasteful number, since it uses less digits than its factorization.

212221101223303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10916181224.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 212221101223303 its reverse (303322101122212), we get a palindrome (515543202345515).

The spelling of 212221101223303 in words is "two hundred twelve trillion, two hundred twenty-one billion, one hundred one million, two hundred twenty-three thousand, three hundred three".