120011611 has 2 divisors, whose sum is σ = 120011612. Its totient is φ = 120011610.

The previous prime is 120011561. The next prime is 120011621. The reversal of 120011611 is 116110021.

It is a strong prime.

It is an emirp because it is prime and its reverse (116110021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120011611 - 2¹¹ = 120009563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120011591 and 120011600.

It is not a weakly prime, because it can be changed into another prime (120011621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005805 + 60005806.

It is an arithmetic number, because the mean of its divisors is an integer number (60005806).

Almost surely, 2^120011611 is an apocalyptic number.

120011611 is a deficient number, since it is larger than the sum of its proper divisors (1).

120011611 is an equidigital number, since it uses as much as digits as its factorization.

120011611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 120011611 is about 10954.9811045022. The cubic root of 120011611 is about 493.2583227910.

Adding to 120011611 its reverse (116110021), we get a palindrome (236121632).

The spelling of 120011611 in words is "one hundred twenty million, eleven thousand, six hundred eleven".