120101201123 has 16 divisors (see below), whose sum is σ = 123488354304. Its totient is φ = 116772354720.

The previous prime is 120101201117. The next prime is 120101201159. The reversal of 120101201123 is 321102101021.

It is not a de Polignac number, because 120101201123 - 2⁸ = 120101200867 is a prime.

It is a super-2 number, since 2×120101201123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120101201098 and 120101201107.

It is not an unprimeable number, because it can be changed into a prime (120101201173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1465961 + ... + 1545717.

It is an arithmetic number, because the mean of its divisors is an integer number (7718022144).

Almost surely, 2^120101201123 is an apocalyptic number.

120101201123 is a deficient number, since it is larger than the sum of its proper divisors (3387153181).

120101201123 is a wasteful number, since it uses less digits than its factorization.

120101201123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80122.

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

Adding to 120101201123 its reverse (321102101021), we get a palindrome (441203302144).

The spelling of 120101201123 in words is "one hundred twenty billion, one hundred one million, two hundred one thousand, one hundred twenty-three".