120121130211101 has 2 divisors, whose sum is σ = 120121130211102. Its totient is φ = 120121130211100.

The previous prime is 120121130211083. The next prime is 120121130211151. The reversal of 120121130211101 is 101112031121021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78973703491225 + 41147426719876 = 8886715^2 + 6414626^2 .

It is a cyclic number.

It is not a de Polignac number, because 120121130211101 - 2²⁶ = 120121063102237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120121130211101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120121130211151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060565105550 + 60060565105551.

It is an arithmetic number, because the mean of its divisors is an integer number (60060565105551).

Almost surely, 2^{120121130211101} is an apocalyptic number.

It is an amenable number.

120121130211101 is a deficient number, since it is larger than the sum of its proper divisors (1).

120121130211101 is an equidigital number, since it uses as much as digits as its factorization.

120121130211101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 120121130211101 its reverse (101112031121021), we get a palindrome (221233161332122).

The spelling of 120121130211101 in words is "one hundred twenty trillion, one hundred twenty-one billion, one hundred thirty million, two hundred eleven thousand, one hundred one".