122166111 has 8 divisors (see below), whose sum is σ = 163026864. Its totient is φ = 81374720.

The previous prime is 122166089. The next prime is 122166169. The reversal of 122166111 is 111661221.

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 122166111 - 2⁶ = 122166047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122166211) 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, 13080 + ... + 20381.

It is an arithmetic number, because the mean of its divisors is an integer number (20378358).

Almost surely, 2^122166111 is an apocalyptic number.

122166111 is a deficient number, since it is larger than the sum of its proper divisors (40860753).

122166111 is a wasteful number, since it uses less digits than its factorization.

122166111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34681.

The product of its digits is 144, while the sum is 21.

The square root of 122166111 is about 11052.8779510135. The cubic root of 122166111 is about 496.1925617545.

The spelling of 122166111 in words is "one hundred twenty-two million, one hundred sixty-six thousand, one hundred eleven".