10302021109 has 4 divisors (see below), whose sum is σ = 10404021420. Its totient is φ = 10200020800.

The previous prime is 10302021089. The next prime is 10302021127. The reversal of 10302021109 is 90112020301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9995000625 + 307020484 = 99975^2 + 17522^2 .

It is a cyclic number.

It is not a de Polignac number, because 10302021109 - 2²⁷ = 10167803381 is a prime.

It is a super-2 number, since 2×10302021109² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10302021209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51000004 + ... + 51000205.

It is an arithmetic number, because the mean of its divisors is an integer number (2601005355).

Almost surely, 2^10302021109 is an apocalyptic number.

It is an amenable number.

10302021109 is a deficient number, since it is larger than the sum of its proper divisors (102000311).

10302021109 is a wasteful number, since it uses less digits than its factorization.

10302021109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102000310.

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

The spelling of 10302021109 in words is "ten billion, three hundred two million, twenty-one thousand, one hundred nine".