1000202221982 has 16 divisors (see below), whose sum is σ = 1549758750912. Its totient is φ = 483772229280.

The previous prime is 1000202221979. The next prime is 1000202222039. The reversal of 1000202221982 is 2891222020001.

It is a happy number.

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, 39051494 + ... + 39077097.

It is an arithmetic number, because the mean of its divisors is an integer number (96859921932).

Almost surely, 2^{1000202221982} is an apocalyptic number.

1000202221982 is a deficient number, since it is larger than the sum of its proper divisors (549556528930).

1000202221982 is a wasteful number, since it uses less digits than its factorization.

1000202221982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78128803.

The product of its (nonzero) digits is 2304, while the sum is 29.

Adding to 1000202221982 its reverse (2891222020001), we get a palindrome (3891424241983).

The spelling of 1000202221982 in words is "one trillion, two hundred two million, two hundred twenty-one thousand, nine hundred eighty-two".