120211200000121 has 8 divisors (see below), whose sum is σ = 120620448561600. Its totient is φ = 119802097063440.

The previous prime is 120211200000071. The next prime is 120211200000191. The reversal of 120211200000121 is 121000002112021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120211200000121 - 2⁷ = 120211199999993 is a prime.

It is a super-2 number, since 2×120211200000121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120211200000191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34752291 + ... + 38054488.

It is an arithmetic number, because the mean of its divisors is an integer number (15077556070200).

Almost surely, 2^{120211200000121} is an apocalyptic number.

It is an amenable number.

120211200000121 is a deficient number, since it is larger than the sum of its proper divisors (409248561479).

120211200000121 is an equidigital number, since it uses as much as digits as its factorization.

120211200000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72812399.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120211200000121 its reverse (121000002112021), we get a palindrome (241211202112142).

The spelling of 120211200000121 in words is "one hundred twenty trillion, two hundred eleven billion, two hundred million, one hundred twenty-one", and thus it is an aban number.