120011110121 has 6 divisors (see below), whose sum is σ = 139604760810. Its totient is φ = 102866665776.

The previous prime is 120011110103. The next prime is 120011110151. The reversal of 120011110121 is 121011110021.

It can be written as a sum of positive squares in only one way, i.e., 96370510096 + 23640600025 = 310436^2 + 153755^2 .

It is not a de Polignac number, because 120011110121 - 2²² = 120006915817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120011110151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1224603116 + ... + 1224603213.

It is an arithmetic number, because the mean of its divisors is an integer number (23267460135).

Almost surely, 2^120011110121 is an apocalyptic number.

It is an amenable number.

120011110121 is a deficient number, since it is larger than the sum of its proper divisors (19593650689).

120011110121 is an equidigital number, since it uses as much as digits as its factorization.

120011110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449206343 (or 2449206336 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 120011110121 its reverse (121011110021), we get a palindrome (241022220142).

The spelling of 120011110121 in words is "one hundred twenty billion, eleven million, one hundred ten thousand, one hundred twenty-one".