10122002321 has 4 divisors (see below), whose sum is σ = 10178550000. Its totient is φ = 10065454644.

The previous prime is 10122002309. The next prime is 10122002333. The reversal of 10122002321 is 12320022101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (10122002309) and next prime (10122002333).

It is a cyclic number.

It is not a de Polignac number, because 10122002321 - 2⁶ = 10122002257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10122002296 and 10122002305.

It is not an unprimeable number, because it can be changed into a prime (10122005321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28273571 + ... + 28273928.

It is an arithmetic number, because the mean of its divisors is an integer number (2544637500).

Almost surely, 2^10122002321 is an apocalyptic number.

It is an amenable number.

10122002321 is a deficient number, since it is larger than the sum of its proper divisors (56547679).

10122002321 is an equidigital number, since it uses as much as digits as its factorization.

10122002321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56547678.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10122002321 its reverse (12320022101), we get a palindrome (22442024422).

The spelling of 10122002321 in words is "ten billion, one hundred twenty-two million, two thousand, three hundred twenty-one".