120112121002121 has 32 divisors (see below), whose sum is σ = 137000115866880. Its totient is φ = 104733677030400.

The previous prime is 120112121002073. The next prime is 120112121002123. The reversal of 120112121002121 is 121200121211021.

It is a cyclic number.

It is not a de Polignac number, because 120112121002121 - 2¹⁰ = 120112121001097 is a prime.

It is a super-2 number, since 2×120112121002121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120112121002121.

It is not an unprimeable number, because it can be changed into a prime (120112121002123) 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 31 ways as a sum of consecutive naturals, for example, 44608550 + ... + 47224431.

It is an arithmetic number, because the mean of its divisors is an integer number (4281253620840).

Almost surely, 2^{120112121002121} is an apocalyptic number.

It is an amenable number.

120112121002121 is a deficient number, since it is larger than the sum of its proper divisors (16887994864759).

120112121002121 is a wasteful number, since it uses less digits than its factorization.

120112121002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91833137.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 120112121002121 its reverse (121200121211021), we get a palindrome (241312242213142).

The spelling of 120112121002121 in words is "one hundred twenty trillion, one hundred twelve billion, one hundred twenty-one million, two thousand, one hundred twenty-one".