122111222 has 16 divisors (see below), whose sum is σ = 186354000. Its totient is φ = 60002400.

The previous prime is 122111219. The next prime is 122111279. The reversal of 122111222 is 222111221.

It is a super-2 number, since 2×122111222² = 29822301076666568, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 122111197 and 122111206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25904 + ... + 30252.

It is an arithmetic number, because the mean of its divisors is an integer number (11647125).

Almost surely, 2^122111222 is an apocalyptic number.

122111222 is a deficient number, since it is larger than the sum of its proper divisors (64242778).

122111222 is a wasteful number, since it uses less digits than its factorization.

122111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4591.

The product of its digits is 32, while the sum is 14.

The square root of 122111222 is about 11050.3946535859. The cubic root of 122111222 is about 496.1182378325.

Adding to 122111222 its reverse (222111221), we get a palindrome (344222443).

Subtracting 122111222 from its reverse (222111221), we obtain a palindrome (99999999).

The spelling of 122111222 in words is "one hundred twenty-two million, one hundred eleven thousand, two hundred twenty-two".