122000111 has 4 divisors (see below), whose sum is σ = 123079872. Its totient is φ = 120920352.

The previous prime is 122000107. The next prime is 122000113. The reversal of 122000111 is 111000221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111000221 = 761 ⋅145861.

It is a cyclic number.

It is not a de Polignac number, because 122000111 - 2² = 122000107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539711 + ... + 539936.

It is an arithmetic number, because the mean of its divisors is an integer number (30769968).

Almost surely, 2^122000111 is an apocalyptic number.

122000111 is a deficient number, since it is larger than the sum of its proper divisors (1079761).

122000111 is a wasteful number, since it uses less digits than its factorization.

122000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079760.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 122000111 is about 11045.3660419200. The cubic root of 122000111 is about 495.9677168006.

Adding to 122000111 its reverse (111000221), we get a palindrome (233000332).

The spelling of 122000111 in words is "one hundred twenty-two million, one hundred eleven", and thus it is an aban number.