10021100123123 has 2 divisors, whose sum is σ = 10021100123124. Its totient is φ = 10021100123122.

The previous prime is 10021100123087. The next prime is 10021100123129. The reversal of 10021100123123 is 32132100112001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10021100123123 - 2⁸ = 10021100122867 is a prime.

It is not a weakly prime, because it can be changed into another prime (10021100123129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010550061561 + 5010550061562.

It is an arithmetic number, because the mean of its divisors is an integer number (5010550061562).

Almost surely, 2^{10021100123123} is an apocalyptic number.

10021100123123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021100123123 is an equidigital number, since it uses as much as digits as its factorization.

10021100123123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10021100123123 its reverse (32132100112001), we get a palindrome (42153200235124).

The spelling of 10021100123123 in words is "ten trillion, twenty-one billion, one hundred million, one hundred twenty-three thousand, one hundred twenty-three".