120220010011121 has 2 divisors, whose sum is σ = 120220010011122. Its totient is φ = 120220010011120.

The previous prime is 120220010011099. The next prime is 120220010011133. The reversal of 120220010011121 is 121110010022021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102331432810000 + 17888577201121 = 10115900^2 + 4229489^2 .

It is a cyclic number.

It is not a de Polignac number, because 120220010011121 - 2¹⁴ = 120220009994737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120220010011096 and 120220010011105.

It is not a weakly prime, because it can be changed into another prime (120220010011151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110005005560 + 60110005005561.

It is an arithmetic number, because the mean of its divisors is an integer number (60110005005561).

Almost surely, 2^{120220010011121} is an apocalyptic number.

It is an amenable number.

120220010011121 is a deficient number, since it is larger than the sum of its proper divisors (1).

120220010011121 is an equidigital number, since it uses as much as digits as its factorization.

120220010011121 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 120220010011121 its reverse (121110010022021), we get a palindrome (241330020033142).

The spelling of 120220010011121 in words is "one hundred twenty trillion, two hundred twenty billion, ten million, eleven thousand, one hundred twenty-one".