1002020011112 has 16 divisors (see below), whose sum is σ = 1880979817860. Its totient is φ = 500425393024.

The previous prime is 1002020011043. The next prime is 1002020011193. The reversal of 1002020011112 is 2111100202001.

It can be written as a sum of positive squares in 2 ways, for example, as 994140608356 + 7879402756 = 997066^2 + 88766^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1002020011093 and 1002020011102.

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, 73069283 + ... + 73082994.

Almost surely, 2^{1002020011112} is an apocalyptic number.

It is an amenable number.

1002020011112 is a deficient number, since it is larger than the sum of its proper divisors (878959806748).

1002020011112 is a wasteful number, since it uses less digits than its factorization.

1002020011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146153140 (or 146153136 counting only the distinct ones).

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

Adding to 1002020011112 its reverse (2111100202001), we get a palindrome (3113120213113).

The spelling of 1002020011112 in words is "one trillion, two billion, twenty million, eleven thousand, one hundred twelve".