10305107021 has 8 divisors (see below), whose sum is σ = 11243949600. Its totient is φ = 9366600240.

The previous prime is 10305107011. The next prime is 10305107023. The reversal of 10305107021 is 12070150301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10305107021 - 2⁶ = 10305106957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10305106984 and 10305107002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10305107023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17486 + ... + 144623.

It is an arithmetic number, because the mean of its divisors is an integer number (1405493700).

Almost surely, 2^10305107021 is an apocalyptic number.

10305107021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10305107021 is a deficient number, since it is larger than the sum of its proper divisors (938842579).

10305107021 is a wasteful number, since it uses less digits than its factorization.

10305107021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167899.

The product of its (nonzero) digits is 210, while the sum is 20.

Adding to 10305107021 its reverse (12070150301), we get a palindrome (22375257322).

The spelling of 10305107021 in words is "ten billion, three hundred five million, one hundred seven thousand, twenty-one".