33072180101 has 2 divisors, whose sum is σ = 33072180102. Its totient is φ = 33072180100.

The previous prime is 33072180077. The next prime is 33072180187. The reversal of 33072180101 is 10108127033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30644253025 + 2427927076 = 175055^2 + 49274^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33072180101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33072170101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16536090050 + 16536090051.

It is an arithmetic number, because the mean of its divisors is an integer number (16536090051).

Almost surely, 2^33072180101 is an apocalyptic number.

It is an amenable number.

33072180101 is a deficient number, since it is larger than the sum of its proper divisors (1).

33072180101 is an equidigital number, since it uses as much as digits as its factorization.

33072180101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The spelling of 33072180101 in words is "thirty-three billion, seventy-two million, one hundred eighty thousand, one hundred one".