120101001121 has 4 divisors (see below), whose sum is σ = 120245876500. Its totient is φ = 119956125744.

The previous prime is 120101001113. The next prime is 120101001149. The reversal of 120101001121 is 121100101021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 101019722896 + 19081278225 = 317836^2 + 138135^2 .

It is a cyclic number.

It is not a de Polignac number, because 120101001121 - 2³ = 120101001113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120101001098 and 120101001107.

It is not an unprimeable number, because it can be changed into a prime (120101001101) 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 3 ways as a sum of consecutive naturals, for example, 72436446 + ... + 72438103.

It is an arithmetic number, because the mean of its divisors is an integer number (30061469125).

Almost surely, 2^120101001121 is an apocalyptic number.

It is an amenable number.

120101001121 is a deficient number, since it is larger than the sum of its proper divisors (144875379).

120101001121 is an equidigital number, since it uses as much as digits as its factorization.

120101001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144875378.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 120101001121 its reverse (121100101021), we get a palindrome (241201102142).

The spelling of 120101001121 in words is "one hundred twenty billion, one hundred one million, one thousand, one hundred twenty-one".