120231211 has 2 divisors, whose sum is σ = 120231212. Its totient is φ = 120231210.

The previous prime is 120231197. The next prime is 120231233. The reversal of 120231211 is 112132021.

It is a weak prime.

It is an emirp because it is prime and its reverse (112132021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120231211 - 2¹⁷ = 120100139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120231191 and 120231200.

It is not a weakly prime, because it can be changed into another prime (120231271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60115605 + 60115606.

It is an arithmetic number, because the mean of its divisors is an integer number (60115606).

Almost surely, 2^120231211 is an apocalyptic number.

120231211 is a deficient number, since it is larger than the sum of its proper divisors (1).

120231211 is an equidigital number, since it uses as much as digits as its factorization.

120231211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 120231211 is about 10964.9993616051. Note that the first 3 decimals coincide. The cubic root of 120231211 is about 493.5589979378.

Adding to 120231211 its reverse (112132021), we get a palindrome (232363232).

The spelling of 120231211 in words is "one hundred twenty million, two hundred thirty-one thousand, two hundred eleven".