122031011 has 2 divisors, whose sum is σ = 122031012. Its totient is φ = 122031010.

The previous prime is 122030989. The next prime is 122031017. The reversal of 122031011 is 110130221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122031011 - 2¹⁰ = 122029987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122030983 and 122031001.

It is not a weakly prime, because it can be changed into another prime (122031017) 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, 61015505 + 61015506.

It is an arithmetic number, because the mean of its divisors is an integer number (61015506).

Almost surely, 2^122031011 is an apocalyptic number.

122031011 is a deficient number, since it is larger than the sum of its proper divisors (1).

122031011 is an equidigital number, since it uses as much as digits as its factorization.

122031011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 122031011 is about 11046.7647300013. The cubic root of 122031011 is about 496.0095859121.

Adding to 122031011 its reverse (110130221), we get a palindrome (232161232).

The spelling of 122031011 in words is "one hundred twenty-two million, thirty-one thousand, eleven".