122211112 has 8 divisors (see below), whose sum is σ = 229145850. Its totient is φ = 61105552.

The previous prime is 122211091. The next prime is 122211157. The reversal of 122211112 is 211112221.

It can be written as a sum of positive squares in only one way, i.e., 100922116 + 21288996 = 10046^2 + 4614^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 = 122211092 and 122211101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7638187 + ... + 7638202.

Almost surely, 2^122211112 is an apocalyptic number.

It is an amenable number.

122211112 is a deficient number, since it is larger than the sum of its proper divisors (106934738).

122211112 is a wasteful number, since it uses less digits than its factorization.

122211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15276395 (or 15276391 counting only the distinct ones).

The product of its digits is 16, while the sum is 13.

The square root of 122211112 is about 11054.9134777256. The cubic root of 122211112 is about 496.2534799588.

Adding to 122211112 its reverse (211112221), we get a palindrome (333323333).

The spelling of 122211112 in words is "one hundred twenty-two million, two hundred eleven thousand, one hundred twelve".