2002021112 has 32 divisors (see below), whose sum is σ = 4620050400. Its totient is φ = 792008064.

The previous prime is 2002021097. The next prime is 2002021129. The reversal of 2002021112 is 2111202002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2002021093 and 2002021102.

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, 1374287 + ... + 1375742.

It is an arithmetic number, because the mean of its divisors is an integer number (144376575).

Almost surely, 2^2002021112 is an apocalyptic number.

It is an amenable number.

2002021112 is an abundant number, since it is smaller than the sum of its proper divisors (2618029288).

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

2002021112 is a wasteful number, since it uses less digits than its factorization.

2002021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750055 (or 2750051 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2002021112 is about 44743.9505631767. The cubic root of 2002021112 is about 1260.3453139383.

Adding to 2002021112 its reverse (2111202002), we get a palindrome (4113223114).

The spelling of 2002021112 in words is "two billion, two million, twenty-one thousand, one hundred twelve".