101200115123 has 2 divisors, whose sum is σ = 101200115124. Its totient is φ = 101200115122.

The previous prime is 101200115117. The next prime is 101200115171. The reversal of 101200115123 is 321511002101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101200115123 - 2⁸ = 101200114867 is a prime.

It is not a weakly prime, because it can be changed into another prime (101200115323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600057561 + 50600057562.

It is an arithmetic number, because the mean of its divisors is an integer number (50600057562).

Almost surely, 2^101200115123 is an apocalyptic number.

101200115123 is a deficient number, since it is larger than the sum of its proper divisors (1).

101200115123 is an equidigital number, since it uses as much as digits as its factorization.

101200115123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 101200115123 its reverse (321511002101), we get a palindrome (422711117224).

The spelling of 101200115123 in words is "one hundred one billion, two hundred million, one hundred fifteen thousand, one hundred twenty-three".