122010211111 has 8 divisors (see below), whose sum is σ = 126417506400. Its totient is φ = 117616252320.

The previous prime is 122010211049. The next prime is 122010211123. The reversal of 122010211111 is 111112010221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122010211111 - 2⁹ = 122010210599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122010211091 and 122010211100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122010212111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3315496 + ... + 3352093.

It is an arithmetic number, because the mean of its divisors is an integer number (15802188300).

Almost surely, 2^122010211111 is an apocalyptic number.

122010211111 is a deficient number, since it is larger than the sum of its proper divisors (4407295289).

122010211111 is an equidigital number, since it uses as much as digits as its factorization.

122010211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668249.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 122010211111 its reverse (111112010221), we get a palindrome (233122221332).

The spelling of 122010211111 in words is "one hundred twenty-two billion, ten million, two hundred eleven thousand, one hundred eleven".