10202310021 has 8 divisors (see below), whose sum is σ = 13610699424. Its totient is φ = 6797730320.

The previous prime is 10202309947. The next prime is 10202310023. The reversal of 10202310021 is 12001320201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10202310021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10202309979 and 10202310006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202310023) 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, 946170 + ... + 956891.

It is an arithmetic number, because the mean of its divisors is an integer number (1701337428).

Almost surely, 2^10202310021 is an apocalyptic number.

It is an amenable number.

10202310021 is a deficient number, since it is larger than the sum of its proper divisors (3408389403).

10202310021 is a wasteful number, since it uses less digits than its factorization.

10202310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904851.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10202310021 its reverse (12001320201), we get a palindrome (22203630222).

The spelling of 10202310021 in words is "ten billion, two hundred two million, three hundred ten thousand, twenty-one".