10210202109 has 6 divisors (see below), whose sum is σ = 14748069726. Its totient is φ = 6806801400.

The previous prime is 10210202081. The next prime is 10210202117. The reversal of 10210202109 is 90120201201.

10210202109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7493499225 + 2716702884 = 86565^2 + 52122^2 .

It is not a de Polignac number, because 10210202109 - 2¹⁵ = 10210169341 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10210202091 and 10210202100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210200109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 567233442 + ... + 567233459.

It is an arithmetic number, because the mean of its divisors is an integer number (2458011621).

Almost surely, 2^10210202109 is an apocalyptic number.

It is an amenable number.

10210202109 is a deficient number, since it is larger than the sum of its proper divisors (4537867617).

10210202109 is a wasteful number, since it uses less digits than its factorization.

10210202109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134466907 (or 1134466904 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 10210202109 in words is "ten billion, two hundred ten million, two hundred two thousand, one hundred nine".