120011111201 has 2 divisors, whose sum is σ = 120011111202. Its totient is φ = 120011111200.

The previous prime is 120011111189. The next prime is 120011111203. The reversal of 120011111201 is 102111110021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74105906176 + 45905205025 = 272224^2 + 214255^2 .

It is an emirp because it is prime and its reverse (102111110021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120011111201 - 2⁶ = 120011111137 is a prime.

Together with 120011111203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120011111203) 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, 60005555600 + 60005555601.

It is an arithmetic number, because the mean of its divisors is an integer number (60005555601).

Almost surely, 2^120011111201 is an apocalyptic number.

It is an amenable number.

120011111201 is a deficient number, since it is larger than the sum of its proper divisors (1).

120011111201 is an equidigital number, since it uses as much as digits as its factorization.

120011111201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 120011111201 its reverse (102111110021), we get a palindrome (222122221222).

The spelling of 120011111201 in words is "one hundred twenty billion, eleven million, one hundred eleven thousand, two hundred one".