120011211211 has 2 divisors, whose sum is σ = 120011211212. Its totient is φ = 120011211210.

The previous prime is 120011211193. The next prime is 120011211247. The reversal of 120011211211 is 112112110021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120011211211 - 2²³ = 120002822603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120011211191 and 120011211200.

It is not a weakly prime, because it can be changed into another prime (120011211011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005605605 + 60005605606.

It is an arithmetic number, because the mean of its divisors is an integer number (60005605606).

Almost surely, 2^120011211211 is an apocalyptic number.

120011211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

120011211211 is an equidigital number, since it uses as much as digits as its factorization.

120011211211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120011211211 its reverse (112112110021), we get a palindrome (232123321232).

The spelling of 120011211211 in words is "one hundred twenty billion, eleven million, two hundred eleven thousand, two hundred eleven".