10321010021 has 8 divisors (see below), whose sum is σ = 11816395584. Its totient is φ = 8830863360.

The previous prime is 10321010009. The next prime is 10321010033. The reversal of 10321010021 is 12001012301.

It is an interprime number because it is at equal distance from previous prime (10321010009) and next prime (10321010033).

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-10321010021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10321009984 and 10321010011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321015021) 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, 1305500 + ... + 1313381.

It is an arithmetic number, because the mean of its divisors is an integer number (1477049448).

Almost surely, 2^10321010021 is an apocalyptic number.

It is an amenable number.

10321010021 is a deficient number, since it is larger than the sum of its proper divisors (1495385563).

10321010021 is an equidigital number, since it uses as much as digits as its factorization.

10321010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619451.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10321010021 its reverse (12001012301), we get a palindrome (22322022322).

The spelling of 10321010021 in words is "ten billion, three hundred twenty-one million, ten thousand, twenty-one".