210010020121049 has 2 divisors, whose sum is σ = 210010020121050. Its totient is φ = 210010020121048.

The previous prime is 210010020121021. The next prime is 210010020121067. The reversal of 210010020121049 is 940121020010012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137473115861449 + 72536904259600 = 11724893^2 + 8516860^2 .

It is a cyclic number.

It is not a de Polignac number, because 210010020121049 - 2²⁰ = 210010019072473 is a prime.

It is a super-2 number, since 2×210010020121049² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (210010020121849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105005010060524 + 105005010060525.

It is an arithmetic number, because the mean of its divisors is an integer number (105005010060525).

Almost surely, 2^{210010020121049} is an apocalyptic number.

It is an amenable number.

210010020121049 is a deficient number, since it is larger than the sum of its proper divisors (1).

210010020121049 is an equidigital number, since it uses as much as digits as its factorization.

210010020121049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 210010020121049 in words is "two hundred ten trillion, ten billion, twenty million, one hundred twenty-one thousand, forty-nine".