1021120112 has 20 divisors (see below), whose sum is σ = 1980560736. Its totient is φ = 510007680.

The previous prime is 1021120103. The next prime is 1021120159. The reversal of 1021120112 is 2110211201.

It is a junction number, because it is equal to n+sod(n) for n = 1021120093 and 1021120102.

It is a congruent number.

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, 19064 + ... + 49047.

Almost surely, 2^1021120112 is an apocalyptic number.

It is an amenable number.

1021120112 is a deficient number, since it is larger than the sum of its proper divisors (959440624).

1021120112 is an equidigital number, since it uses as much as digits as its factorization.

1021120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69056 (or 69050 counting only the distinct ones).

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

The square root of 1021120112 is about 31954.9700672681. The cubic root of 1021120112 is about 1006.9910486765.

Adding to 1021120112 its reverse (2110211201), we get a palindrome (3131331313).

The spelling of 1021120112 in words is "one billion, twenty-one million, one hundred twenty thousand, one hundred twelve".