123021130302101 has 2 divisors, whose sum is σ = 123021130302102. Its totient is φ = 123021130302100.

The previous prime is 123021130302041. The next prime is 123021130302113. The reversal of 123021130302101 is 101203031120321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91857828894001 + 31163301408100 = 9584249^2 + 5582410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123021130302101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123021130301101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61510565151050 + 61510565151051.

It is an arithmetic number, because the mean of its divisors is an integer number (61510565151051).

Almost surely, 2^{123021130302101} is an apocalyptic number.

It is an amenable number.

123021130302101 is a deficient number, since it is larger than the sum of its proper divisors (1).

123021130302101 is an equidigital number, since it uses as much as digits as its factorization.

123021130302101 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 123021130302101 its reverse (101203031120321), we get a palindrome (224224161422422).

The spelling of 123021130302101 in words is "one hundred twenty-three trillion, twenty-one billion, one hundred thirty million, three hundred two thousand, one hundred one".