121110120121201 has 2 divisors, whose sum is σ = 121110120121202. Its totient is φ = 121110120121200.

The previous prime is 121110120121183. The next prime is 121110120121213. The reversal of 121110120121201 is 102121021011121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73245183555600 + 47864936565601 = 8558340^2 + 6918449^2 .

It is a cyclic number.

It is not a de Polignac number, because 121110120121201 - 2³⁵ = 121075760382833 is a prime.

It is a super-2 number, since 2×121110120121201² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121110127121201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60555060060600 + 60555060060601.

It is an arithmetic number, because the mean of its divisors is an integer number (60555060060601).

Almost surely, 2^{121110120121201} is an apocalyptic number.

It is an amenable number.

121110120121201 is a deficient number, since it is larger than the sum of its proper divisors (1).

121110120121201 is an equidigital number, since it uses as much as digits as its factorization.

121110120121201 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 16.

Adding to 121110120121201 its reverse (102121021011121), we get a palindrome (223231141132322).

The spelling of 121110120121201 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred twenty million, one hundred twenty-one thousand, two hundred one".