1002020221112 has 16 divisors (see below), whose sum is σ = 1878861857400. Its totient is φ = 500990392480.

The previous prime is 1002020221009. The next prime is 1002020221117. The reversal of 1002020221112 is 2111220202001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002020221117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2247662 + ... + 2656317.

Almost surely, 2^{1002020221112} is an apocalyptic number.

It is an amenable number.

1002020221112 is a deficient number, since it is larger than the sum of its proper divisors (876841636288).

1002020221112 is a wasteful number, since it uses less digits than its factorization.

1002020221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4929526 (or 4929522 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1002020221112 its reverse (2111220202001), we get a palindrome (3113240423113).

The spelling of 1002020221112 in words is "one trillion, two billion, twenty million, two hundred twenty-one thousand, one hundred twelve".