120101211211 has 2 divisors, whose sum is σ = 120101211212. Its totient is φ = 120101211210.

The previous prime is 120101211169. The next prime is 120101211229. The reversal of 120101211211 is 112112101021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (112112101021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120101211211 - 2¹⁵ = 120101178443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120101211191 and 120101211200.

It is not a weakly prime, because it can be changed into another prime (120101221211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050605605 + 60050605606.

It is an arithmetic number, because the mean of its divisors is an integer number (60050605606).

Almost surely, 2^120101211211 is an apocalyptic number.

120101211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

120101211211 is an equidigital number, since it uses as much as digits as its factorization.

120101211211 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 120101211211 its reverse (112112101021), we get a palindrome (232213312232).

It can be divided in two parts, 12010 and 1211211, that added together give a palindrome (1223221).

The spelling of 120101211211 in words is "one hundred twenty billion, one hundred one million, two hundred eleven thousand, two hundred eleven".