122120311 has 2 divisors, whose sum is σ = 122120312. Its totient is φ = 122120310.

The previous prime is 122120303. The next prime is 122120329. The reversal of 122120311 is 113021221.

It is a weak prime.

It is an emirp because it is prime and its reverse (113021221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122120311 - 2³ = 122120303 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122120291 and 122120300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122120111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060155 + 61060156.

It is an arithmetic number, because the mean of its divisors is an integer number (61060156).

Almost surely, 2^122120311 is an apocalyptic number.

122120311 is a deficient number, since it is larger than the sum of its proper divisors (1).

122120311 is an equidigital number, since it uses as much as digits as its factorization.

122120311 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 122120311 is about 11050.8058982139. The cubic root of 122120311 is about 496.1305465751.

Adding to 122120311 its reverse (113021221), we get a palindrome (235141532).

The spelling of 122120311 in words is "one hundred twenty-two million, one hundred twenty thousand, three hundred eleven".