21302120121033 has 8 divisors (see below), whose sum is σ = 28745029561248. Its totient is φ = 14030312047424.

The previous prime is 21302120120959. The next prime is 21302120121071. The reversal of 21302120121033 is 33012102120312.

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 21302120121033 - 2⁹ = 21302120120521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21302120121083) 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 7 ways as a sum of consecutive naturals, for example, 42775341360 + ... + 42775341857.

It is an arithmetic number, because the mean of its divisors is an integer number (3593128695156).

Almost surely, 2^{21302120121033} is an apocalyptic number.

It is an amenable number.

21302120121033 is a deficient number, since it is larger than the sum of its proper divisors (7442909440215).

21302120121033 is an equidigital number, since it uses as much as digits as its factorization.

21302120121033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85550683303.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21302120121033 its reverse (33012102120312), we get a palindrome (54314222241345).

The spelling of 21302120121033 in words is "twenty-one trillion, three hundred two billion, one hundred twenty million, one hundred twenty-one thousand, thirty-three".