33220103281 has 2 divisors, whose sum is σ = 33220103282. Its totient is φ = 33220103280.

The previous prime is 33220103249. The next prime is 33220103317. The reversal of 33220103281 is 18230102233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32811699600 + 408403681 = 181140^2 + 20209^2 .

It is a cyclic number.

It is not a de Polignac number, because 33220103281 - 2⁵ = 33220103249 is a prime.

It is a super-2 number, since 2×33220103281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33220103221) 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, 16610051640 + 16610051641.

It is an arithmetic number, because the mean of its divisors is an integer number (16610051641).

Almost surely, 2^33220103281 is an apocalyptic number.

It is an amenable number.

33220103281 is a deficient number, since it is larger than the sum of its proper divisors (1).

33220103281 is an equidigital number, since it uses as much as digits as its factorization.

33220103281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 33220103281 in words is "thirty-three billion, two hundred twenty million, one hundred three thousand, two hundred eighty-one".