21220203233301 has 8 divisors (see below), whose sum is σ = 28293632159520. Its totient is φ = 14146788231312.

The previous prime is 21220203233297. The next prime is 21220203233303. The reversal of 21220203233301 is 10333230202212.

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

It is not a de Polignac number, because 21220203233301 - 2² = 21220203233297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21220203233303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841770 + ... + 6568788.

It is an arithmetic number, because the mean of its divisors is an integer number (3536704019940).

Almost surely, 2^{21220203233301} is an apocalyptic number.

It is an amenable number.

21220203233301 is a deficient number, since it is larger than the sum of its proper divisors (7073428926219).

21220203233301 is a wasteful number, since it uses less digits than its factorization.

21220203233301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6962115.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21220203233301 its reverse (10333230202212), we get a palindrome (31553433435513).

The spelling of 21220203233301 in words is "twenty-one trillion, two hundred twenty billion, two hundred three million, two hundred thirty-three thousand, three hundred one".