120112001120121 has 16 divisors (see below), whose sum is σ = 160254520680384. Its totient is φ = 80022089928704.

The previous prime is 120112001120053. The next prime is 120112001120123. The reversal of 120112001120121 is 121021100211021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120112001120121 - 2⁷ = 120112001119993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120112001120121.

It is not an unprimeable number, because it can be changed into a prime (120112001120123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29241145 + ... + 33094841.

It is an arithmetic number, because the mean of its divisors is an integer number (10015907542524).

Almost surely, 2^{120112001120121} is an apocalyptic number.

It is an amenable number.

120112001120121 is a deficient number, since it is larger than the sum of its proper divisors (40142519560263).

120112001120121 is a wasteful number, since it uses less digits than its factorization.

120112001120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860520.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120112001120121 its reverse (121021100211021), we get a palindrome (241133101331142).

The spelling of 120112001120121 in words is "one hundred twenty trillion, one hundred twelve billion, one million, one hundred twenty thousand, one hundred twenty-one".