120000001121 has 16 divisors (see below), whose sum is σ = 161118883968. Its totient is φ = 86313686400.

The previous prime is 120000001097. The next prime is 120000001153. The reversal of 120000001121 is 121100000021.

It is a cyclic number.

It is not a de Polignac number, because 120000001121 - 2¹⁸ = 119999738977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120000001099 and 120000001108.

It is not an unprimeable number, because it can be changed into a prime (120000001021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59939060 + ... + 59941061.

It is an arithmetic number, because the mean of its divisors is an integer number (10069930248).

Almost surely, 2^120000001121 is an apocalyptic number.

120000001121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120000001121 is a deficient number, since it is larger than the sum of its proper divisors (41118882847).

120000001121 is a wasteful number, since it uses less digits than its factorization.

120000001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119880152.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 120000001121 its reverse (121100000021), we get a palindrome (241100001142).

The spelling of 120000001121 in words is "one hundred twenty billion, one thousand, one hundred twenty-one".