122122000111 has 4 divisors (see below), whose sum is σ = 122941611000. Its totient is φ = 121302389224.

The previous prime is 122122000043. The next prime is 122122000159. The reversal of 122122000111 is 111000221221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122122000111 - 2⁷ = 122121999983 is a prime.

It is a super-2 number, since 2×122122000111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122122000091 and 122122000100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122152000111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409805221 + ... + 409805518.

It is an arithmetic number, because the mean of its divisors is an integer number (30735402750).

Almost surely, 2^122122000111 is an apocalyptic number.

122122000111 is a deficient number, since it is larger than the sum of its proper divisors (819610889).

122122000111 is an equidigital number, since it uses as much as digits as its factorization.

122122000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819610888.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122122000111 its reverse (111000221221), we get a palindrome (233122221332).

The spelling of 122122000111 in words is "one hundred twenty-two billion, one hundred twenty-two million, one hundred eleven", and thus it is an aban number.