10123120022321 has 4 divisors (see below), whose sum is σ = 10124014539252. Its totient is φ = 10122225505392.

The previous prime is 10123120022297. The next prime is 10123120022357. The reversal of 10123120022321 is 12322002132101.

10123120022321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9756533367025 + 366586655296 = 3123545^2 + 605464^2 .

It is a cyclic number.

It is not a de Polignac number, because 10123120022321 - 2²² = 10123115828017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10123120022293 and 10123120022302.

It is not an unprimeable number, because it can be changed into a prime (10123120025321) 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, 447241490 + ... + 447264123.

It is an arithmetic number, because the mean of its divisors is an integer number (2531003634813).

Almost surely, 2^{10123120022321} is an apocalyptic number.

It is an amenable number.

10123120022321 is a deficient number, since it is larger than the sum of its proper divisors (894516931).

10123120022321 is an equidigital number, since it uses as much as digits as its factorization.

10123120022321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894516930.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10123120022321 its reverse (12322002132101), we get a palindrome (22445122154422).

The spelling of 10123120022321 in words is "ten trillion, one hundred twenty-three billion, one hundred twenty million, twenty-two thousand, three hundred twenty-one".