33021213121363 has 2 divisors, whose sum is σ = 33021213121364. Its totient is φ = 33021213121362.

The previous prime is 33021213121313. The next prime is 33021213121447. The reversal of 33021213121363 is 36312131212033.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33021213121363 is a prime.

It is a super-2 number, since 2×33021213121363² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33021213121313) 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 as a sum of consecutive naturals, namely, 16510606560681 + 16510606560682.

It is an arithmetic number, because the mean of its divisors is an integer number (16510606560682).

Almost surely, 2^{33021213121363} is an apocalyptic number.

33021213121363 is a deficient number, since it is larger than the sum of its proper divisors (1).

33021213121363 is an equidigital number, since it uses as much as digits as its factorization.

33021213121363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 31.

Adding to 33021213121363 its reverse (36312131212033), we get a palindrome (69333344333396).

The spelling of 33021213121363 in words is "thirty-three trillion, twenty-one billion, two hundred thirteen million, one hundred twenty-one thousand, three hundred sixty-three".