122240011 has 2 divisors, whose sum is σ = 122240012. Its totient is φ = 122240010.

The previous prime is 122239991. The next prime is 122240023. The reversal of 122240011 is 110042221.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (110042221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122240011 - 2⁷ = 122239883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122239973 and 122240000.

It is not a weakly prime, because it can be changed into another prime (122240411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61120005 + 61120006.

It is an arithmetic number, because the mean of its divisors is an integer number (61120006).

Almost surely, 2^122240011 is an apocalyptic number.

122240011 is a deficient number, since it is larger than the sum of its proper divisors (1).

122240011 is an equidigital number, since it uses as much as digits as its factorization.

122240011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 122240011 is about 11056.2204663257. The cubic root of 122240011 is about 496.2925928752.

Adding to 122240011 its reverse (110042221), we get a palindrome (232282232).

The spelling of 122240011 in words is "one hundred twenty-two million, two hundred forty thousand, eleven".