1122120112 has 20 divisors (see below), whose sum is σ = 2220366816. Its totient is φ = 549122240.

The previous prime is 1122120101. The next prime is 1122120133. The reversal of 1122120112 is 2110212211.

It is a junction number, because it is equal to n+sod(n) for n = 1122120092 and 1122120101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745339 + ... + 746842.

Almost surely, 2^1122120112 is an apocalyptic number.

It is an amenable number.

1122120112 is a deficient number, since it is larger than the sum of its proper divisors (1098246704).

1122120112 is a wasteful number, since it uses less digits than its factorization.

1122120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492236 (or 1492230 counting only the distinct ones).

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

The square root of 1122120112 is about 33498.0613170374. The cubic root of 1122120112 is about 1039.1536852534.

Adding to 1122120112 its reverse (2110212211), we get a palindrome (3232332323).

The spelling of 1122120112 in words is "one billion, one hundred twenty-two million, one hundred twenty thousand, one hundred twelve".