33020021051 has 2 divisors, whose sum is σ = 33020021052. Its totient is φ = 33020021050.

The previous prime is 33020020993. The next prime is 33020021117. The reversal of 33020021051 is 15012002033.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33020021051 - 2³⁰ = 31946279227 is a prime.

It is not a weakly prime, because it can be changed into another prime (33020021351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16510010525 + 16510010526.

It is an arithmetic number, because the mean of its divisors is an integer number (16510010526).

Almost surely, 2^33020021051 is an apocalyptic number.

33020021051 is a deficient number, since it is larger than the sum of its proper divisors (1).

33020021051 is an equidigital number, since it uses as much as digits as its factorization.

33020021051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 33020021051 its reverse (15012002033), we get a palindrome (48032023084).

The spelling of 33020021051 in words is "thirty-three billion, twenty million, twenty-one thousand, fifty-one".