120122311 has 2 divisors, whose sum is σ = 120122312.
Its totient is φ = 120122310.
The previous prime is 120122293. The next prime is 120122341. The reversal of 120122311 is 113221021.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 120122311 - 211 = 120120263 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 120122291 and 120122300.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (120122341) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60061155 + 60061156.
It is an arithmetic number, because the mean of its divisors is an integer number (60061156).
Almost surely, 2120122311 is an apocalyptic number.
120122311 is a deficient number, since it is larger than the sum of its proper divisors (1).
120122311 is an equidigital number, since it uses as much as digits as its factorization.
120122311 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 120122311 is about 10960.0324360834.
The cubic root of 120122311 is about 493.4099384429.
Adding to 120122311 its reverse (113221021), we get a palindrome (233343332).
The spelling of 120122311 in words is "one hundred twenty million, one hundred twenty-two thousand, three hundred eleven".