120002010121121 has 2 divisors, whose sum is σ = 120002010121122. Its totient is φ = 120002010121120.

The previous prime is 120002010121111. The next prime is 120002010121177. The reversal of 120002010121121 is 121121010200021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111724075541521 + 8277934579600 = 10569961^2 + 2877140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120002010121121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120002010121096 and 120002010121105.

It is not a weakly prime, because it can be changed into another prime (120002010121111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60001005060560 + 60001005060561.

It is an arithmetic number, because the mean of its divisors is an integer number (60001005060561).

Almost surely, 2^{120002010121121} is an apocalyptic number.

It is an amenable number.

120002010121121 is a deficient number, since it is larger than the sum of its proper divisors (1).

120002010121121 is an equidigital number, since it uses as much as digits as its factorization.

120002010121121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120002010121121 its reverse (121121010200021), we get a palindrome (241123020321142).

The spelling of 120002010121121 in words is "one hundred twenty trillion, two billion, ten million, one hundred twenty-one thousand, one hundred twenty-one".