221212013332303 has 8 divisors (see below), whose sum is σ = 253244417311872. Its totient is φ = 189287281300056.

The previous prime is 221212013332291. The next prime is 221212013332309. The reversal of 221212013332303 is 303233310212122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221212013332303 - 2¹³ = 221212013324111 is a prime.

It is a super-4 number, since 4×221212013332303⁴ (a number of 58 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221212013332309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26917982425 + ... + 26917990642.

It is an arithmetic number, because the mean of its divisors is an integer number (31655552163984).

Almost surely, 2^{221212013332303} is an apocalyptic number.

221212013332303 is a deficient number, since it is larger than the sum of its proper divisors (32032403979569).

221212013332303 is an equidigital number, since it uses as much as digits as its factorization.

221212013332303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53835973661.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 221212013332303 its reverse (303233310212122), we get a palindrome (524445323544425).

The spelling of 221212013332303 in words is "two hundred twenty-one trillion, two hundred twelve billion, thirteen million, three hundred thirty-two thousand, three hundred three".