122000020111 has 2 divisors, whose sum is σ = 122000020112. Its totient is φ = 122000020110.

The previous prime is 122000020099. The next prime is 122000020133. The reversal of 122000020111 is 111020000221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122000020111 - 2⁷ = 122000019983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122000029111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000010055 + 61000010056.

It is an arithmetic number, because the mean of its divisors is an integer number (61000010056).

Almost surely, 2^122000020111 is an apocalyptic number.

122000020111 is a deficient number, since it is larger than the sum of its proper divisors (1).

122000020111 is an equidigital number, since it uses as much as digits as its factorization.

122000020111 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 10.

Adding to 122000020111 its reverse (111020000221), we get a palindrome (233020020332).

The spelling of 122000020111 in words is "one hundred twenty-two billion, twenty thousand, one hundred eleven".