100660201 has 2 divisors, whose sum is σ = 100660202. Its totient is φ = 100660200.

The previous prime is 100660177. The next prime is 100660237. The reversal of 100660201 is 102066001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76108176 + 24552025 = 8724^2 + 4955^2 .

It is a cyclic number.

It is not a de Polignac number, because 100660201 - 2¹⁵ = 100627433 is a prime.

It is not a weakly prime, because it can be changed into another prime (100660601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50330100 + 50330101.

It is an arithmetic number, because the mean of its divisors is an integer number (50330101).

Almost surely, 2^100660201 is an apocalyptic number.

It is an amenable number.

100660201 is a deficient number, since it is larger than the sum of its proper divisors (1).

100660201 is an equidigital number, since it uses as much as digits as its factorization.

100660201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 100660201 is about 10032.9557459405. The cubic root of 100660201 is about 465.1781042023.

The spelling of 100660201 in words is "one hundred million, six hundred sixty thousand, two hundred one".