122012111 has 8 divisors (see below), whose sum is σ = 139127184. Its totient is φ = 106001280.

The previous prime is 122012101. The next prime is 122012117. The reversal of 122012111 is 111210221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122012111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122012092 and 122012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012117) 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, 275825 + ... + 276266.

It is an arithmetic number, because the mean of its divisors is an integer number (17390898).

Almost surely, 2^122012111 is an apocalyptic number.

122012111 is a deficient number, since it is larger than the sum of its proper divisors (17115073).

122012111 is a wasteful number, since it uses less digits than its factorization.

122012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552121.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 122012111 is about 11045.9092427921. The cubic root of 122012111 is about 495.9839774893.

Adding to 122012111 its reverse (111210221), we get a palindrome (233222332).

It can be divided in two parts, 1220 and 12111, that added together give a palindrome (13331).

The spelling of 122012111 in words is "one hundred twenty-two million, twelve thousand, one hundred eleven".