100201211009 has 2 divisors, whose sum is σ = 100201211010. Its totient is φ = 100201211008.

The previous prime is 100201210997. The next prime is 100201211027. The reversal of 100201211009 is 900112102001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74067255409 + 26133955600 = 272153^2 + 161660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100201211009 is a prime.

It is not a weakly prime, because it can be changed into another prime (100201217009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50100605504 + 50100605505.

It is an arithmetic number, because the mean of its divisors is an integer number (50100605505).

Almost surely, 2^100201211009 is an apocalyptic number.

It is an amenable number.

100201211009 is a deficient number, since it is larger than the sum of its proper divisors (1).

100201211009 is an equidigital number, since it uses as much as digits as its factorization.

100201211009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 100201211009 in words is "one hundred billion, two hundred one million, two hundred eleven thousand, nine".