120920011 has 2 divisors, whose sum is σ = 120920012. Its totient is φ = 120920010.

The previous prime is 120919991. The next prime is 120920017. The reversal of 120920011 is 110029021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120920011 - 2²¹ = 118822859 is a prime.

It is not a weakly prime, because it can be changed into another prime (120920017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60460005 + 60460006.

It is an arithmetic number, because the mean of its divisors is an integer number (60460006).

Almost surely, 2^120920011 is an apocalyptic number.

120920011 is a deficient number, since it is larger than the sum of its proper divisors (1).

120920011 is an equidigital number, since it uses as much as digits as its factorization.

120920011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 120920011 is about 10996.3635352784. The cubic root of 120920011 is about 494.4997306058.

Adding to 120920011 its reverse (110029021), we get a palindrome (230949032).

The spelling of 120920011 in words is "one hundred twenty million, nine hundred twenty thousand, eleven".