122111105 has 8 divisors (see below), whose sum is σ = 146600064. Its totient is φ = 97644400.

The previous prime is 122111089. The next prime is 122111111. The reversal of 122111105 is 501111221.

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

It is not a de Polignac number, because 122111105 - 2⁴ = 122111089 is a prime.

It is a super-2 number, since 2×122111105² = 29822243928642050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122111105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11000 + ... + 19110.

It is an arithmetic number, because the mean of its divisors is an integer number (18325008).

Almost surely, 2^122111105 is an apocalyptic number.

It is an amenable number.

122111105 is a deficient number, since it is larger than the sum of its proper divisors (24488959).

122111105 is an equidigital number, since it uses as much as digits as its factorization.

122111105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11127.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 122111105 is about 11050.3893596561. The cubic root of 122111105 is about 496.1180793818.

Adding to 122111105 its reverse (501111221), we get a palindrome (623222326).

The spelling of 122111105 in words is "one hundred twenty-two million, one hundred eleven thousand, one hundred five".