21220301333301 has 12 divisors (see below), whose sum is σ = 32913120435552. Its totient is φ = 12125886476088.

The previous prime is 21220301333293. The next prime is 21220301333339. The reversal of 21220301333301 is 10333310302212.

It is not a de Polignac number, because 21220301333301 - 2³ = 21220301333293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21220311333301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72177895545 + ... + 72177895838.

It is an arithmetic number, because the mean of its divisors is an integer number (2742760036296).

Almost surely, 2^{21220301333301} is an apocalyptic number.

21220301333301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21220301333301 is a deficient number, since it is larger than the sum of its proper divisors (11692819102251).

21220301333301 is a wasteful number, since it uses less digits than its factorization.

21220301333301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144355791400 (or 144355791393 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21220301333301 its reverse (10333310302212), we get a palindrome (31553611635513).

The spelling of 21220301333301 in words is "twenty-one trillion, two hundred twenty billion, three hundred one million, three hundred thirty-three thousand, three hundred one".