210110011009 has 2 divisors, whose sum is σ = 210110011010. Its totient is φ = 210110011008.

The previous prime is 210110010991. The next prime is 210110011019. The reversal of 210110011009 is 900110011012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202277761009 + 7832250000 = 449753^2 + 88500^2 .

It is a cyclic number.

It is not a de Polignac number, because 210110011009 - 2⁹ = 210110010497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210110010983 and 210110011001.

It is not a weakly prime, because it can be changed into another prime (210110011019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105055005504 + 105055005505.

It is an arithmetic number, because the mean of its divisors is an integer number (105055005505).

Almost surely, 2^210110011009 is an apocalyptic number.

It is an amenable number.

210110011009 is a deficient number, since it is larger than the sum of its proper divisors (1).

210110011009 is an equidigital number, since it uses as much as digits as its factorization.

210110011009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 16.

The spelling of 210110011009 in words is "two hundred ten billion, one hundred ten million, eleven thousand, nine".