2130321110123 has 2 divisors, whose sum is σ = 2130321110124. Its totient is φ = 2130321110122.

The previous prime is 2130321110089. The next prime is 2130321110171. The reversal of 2130321110123 is 3210111230312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2130321110123 - 2¹² = 2130321106027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2130321110095 and 2130321110104.

It is not a weakly prime, because it can be changed into another prime (2130321110173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065160555061 + 1065160555062.

It is an arithmetic number, because the mean of its divisors is an integer number (1065160555062).

Almost surely, 2^{2130321110123} is an apocalyptic number.

2130321110123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130321110123 is an equidigital number, since it uses as much as digits as its factorization.

2130321110123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2130321110123 its reverse (3210111230312), we get a palindrome (5340432340435).

The spelling of 2130321110123 in words is "two trillion, one hundred thirty billion, three hundred twenty-one million, one hundred ten thousand, one hundred twenty-three".