2142020112 has 40 divisors (see below), whose sum is σ = 5651293056. Its totient is φ = 698814336.

The previous prime is 2142020099. The next prime is 2142020129. The reversal of 2142020112 is 2110202412.

It is a junction number, because it is equal to n+sod(n) for n = 2142020091 and 2142020100.

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, 472483 + ... + 476994.

Almost surely, 2^2142020112 is an apocalyptic number.

It is an amenable number.

2142020112 is an abundant number, since it is smaller than the sum of its proper divisors (3509272944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2142020112 is a wasteful number, since it uses less digits than its factorization.

2142020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949535 (or 949529 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2142020112 is about 46281.9631390026. The cubic root of 2142020112 is about 1289.0641033345.

Adding to 2142020112 its reverse (2110202412), we get a palindrome (4252222524).

The spelling of 2142020112 in words is "two billion, one hundred forty-two million, twenty thousand, one hundred twelve".