120011201122121 has 2 divisors, whose sum is σ = 120011201122122. Its totient is φ = 120011201122120.

The previous prime is 120011201122103. The next prime is 120011201122159. The reversal of 120011201122121 is 121221102110021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91461297331600 + 28549903790521 = 9563540^2 + 5343211^2 .

It is a cyclic number.

It is not a de Polignac number, because 120011201122121 - 2²⁶ = 120011134013257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120011201122121.

It is not a weakly prime, because it can be changed into another prime (120011201122171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005600561060 + 60005600561061.

It is an arithmetic number, because the mean of its divisors is an integer number (60005600561061).

Almost surely, 2^{120011201122121} is an apocalyptic number.

It is an amenable number.

120011201122121 is a deficient number, since it is larger than the sum of its proper divisors (1).

120011201122121 is an equidigital number, since it uses as much as digits as its factorization.

120011201122121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 120011201122121 its reverse (121221102110021), we get a palindrome (241232303232142).

The spelling of 120011201122121 in words is "one hundred twenty trillion, eleven billion, two hundred one million, one hundred twenty-two thousand, one hundred twenty-one".