120230911 has 2 divisors, whose sum is σ = 120230912. Its totient is φ = 120230910.

The previous prime is 120230857. The next prime is 120230933. The reversal of 120230911 is 119032021.

It is a strong prime.

It is an emirp because it is prime and its reverse (119032021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120230911 - 2¹¹ = 120228863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120230941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60115455 + 60115456.

It is an arithmetic number, because the mean of its divisors is an integer number (60115456).

Almost surely, 2^120230911 is an apocalyptic number.

120230911 is a deficient number, since it is larger than the sum of its proper divisors (1).

120230911 is an equidigital number, since it uses as much as digits as its factorization.

120230911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 120230911 is about 10964.9856817052. The cubic root of 120230911 is about 493.5585874292.

Adding to 120230911 its reverse (119032021), we get a palindrome (239262932).

The spelling of 120230911 in words is "one hundred twenty million, two hundred thirty thousand, nine hundred eleven".