211120003009 has 2 divisors, whose sum is σ = 211120003010. Its totient is φ = 211120003008.

The previous prime is 211120002931. The next prime is 211120003079. The reversal of 211120003009 is 900300021112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114338659600 + 96781343409 = 338140^2 + 311097^2 .

It is a cyclic number.

It is not a de Polignac number, because 211120003009 - 2⁹ = 211120002497 is a prime.

It is not a weakly prime, because it can be changed into another prime (211120003079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560001504 + 105560001505.

It is an arithmetic number, because the mean of its divisors is an integer number (105560001505).

Almost surely, 2^211120003009 is an apocalyptic number.

It is an amenable number.

211120003009 is a deficient number, since it is larger than the sum of its proper divisors (1).

211120003009 is an equidigital number, since it uses as much as digits as its factorization.

211120003009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The spelling of 211120003009 in words is "two hundred eleven billion, one hundred twenty million, three thousand, nine".