120201110123 has 4 divisors (see below), whose sum is σ = 126527484360. Its totient is φ = 113874735888.

The previous prime is 120201110063. The next prime is 120201110149. The reversal of 120201110123 is 321011102021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120201110123 - 2²² = 120196915819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120201110098 and 120201110107.

It is not an unprimeable number, because it can be changed into a prime (120201110153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3163187090 + ... + 3163187127.

It is an arithmetic number, because the mean of its divisors is an integer number (31631871090).

Almost surely, 2^120201110123 is an apocalyptic number.

120201110123 is a deficient number, since it is larger than the sum of its proper divisors (6326374237).

120201110123 is an equidigital number, since it uses as much as digits as its factorization.

120201110123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6326374236.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 120201110123 its reverse (321011102021), we get a palindrome (441212212144).

The spelling of 120201110123 in words is "one hundred twenty billion, two hundred one million, one hundred ten thousand, one hundred twenty-three".