1020022112 has 24 divisors (see below), whose sum is σ = 2009044296. Its totient is φ = 509788672.

The previous prime is 1020022111. The next prime is 1020022121. The reversal of 1020022112 is 2112200201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020022093 and 1020022102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020022111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87203 + ... + 98205.

It is an arithmetic number, because the mean of its divisors is an integer number (83710179).

Almost surely, 2^1020022112 is an apocalyptic number.

It is an amenable number.

1020022112 is a deficient number, since it is larger than the sum of its proper divisors (989022184).

1020022112 is a wasteful number, since it uses less digits than its factorization.

1020022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13910 (or 13902 counting only the distinct ones).

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

The square root of 1020022112 is about 31937.7850202546. The cubic root of 1020022112 is about 1006.6299835080.

Adding to 1020022112 its reverse (2112200201), we get a palindrome (3132222313).

The spelling of 1020022112 in words is "one billion, twenty million, twenty-two thousand, one hundred twelve".