123021130011103 has 2 divisors, whose sum is σ = 123021130011104. Its totient is φ = 123021130011102.

The previous prime is 123021130011097. The next prime is 123021130011113. The reversal of 123021130011103 is 301110031120321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123021130011103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123021130011113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61510565005551 + 61510565005552.

It is an arithmetic number, because the mean of its divisors is an integer number (61510565005552).

Almost surely, 2^{123021130011103} is an apocalyptic number.

123021130011103 is a deficient number, since it is larger than the sum of its proper divisors (1).

123021130011103 is an equidigital number, since it uses as much as digits as its factorization.

123021130011103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 123021130011103 its reverse (301110031120321), we get a palindrome (424131161131424).

The spelling of 123021130011103 in words is "one hundred twenty-three trillion, twenty-one billion, one hundred thirty million, eleven thousand, one hundred three".