33066703121 has 2 divisors, whose sum is σ = 33066703122. Its totient is φ = 33066703120.

The previous prime is 33066703037. The next prime is 33066703129. The reversal of 33066703121 is 12130766033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24316036096 + 8750667025 = 155936^2 + 93545^2 .

It is a cyclic number.

It is not a de Polignac number, because 33066703121 - 2¹⁸ = 33066440977 is a prime.

It is a super-2 number, since 2×33066703121² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33066703129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16533351560 + 16533351561.

It is an arithmetic number, because the mean of its divisors is an integer number (16533351561).

Almost surely, 2^33066703121 is an apocalyptic number.

It is an amenable number.

33066703121 is a deficient number, since it is larger than the sum of its proper divisors (1).

33066703121 is an equidigital number, since it uses as much as digits as its factorization.

33066703121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 32.

The spelling of 33066703121 in words is "thirty-three billion, sixty-six million, seven hundred three thousand, one hundred twenty-one".