121120201129 has 2 divisors, whose sum is σ = 121120201130. Its totient is φ = 121120201128.

The previous prime is 121120201063. The next prime is 121120201133. The reversal of 121120201129 is 921102021121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102622841104 + 18497360025 = 320348^2 + 136005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121120201129 is a prime.

It is not a weakly prime, because it can be changed into another prime (121120201429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560100564 + 60560100565.

It is an arithmetic number, because the mean of its divisors is an integer number (60560100565).

Almost surely, 2^121120201129 is an apocalyptic number.

It is an amenable number.

121120201129 is a deficient number, since it is larger than the sum of its proper divisors (1).

121120201129 is an equidigital number, since it uses as much as digits as its factorization.

121120201129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 121120201129 in words is "one hundred twenty-one billion, one hundred twenty million, two hundred one thousand, one hundred twenty-nine".