1000200021112 has 64 divisors (see below), whose sum is σ = 1905818453280. Its totient is φ = 492034762752.

The previous prime is 1000200021091. The next prime is 1000200021113. The reversal of 1000200021112 is 2111200020001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000200021113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360171468 + ... + 360174244.

Almost surely, 2^{1000200021112} is an apocalyptic number.

It is an amenable number.

1000200021112 is a deficient number, since it is larger than the sum of its proper divisors (905618432168).

1000200021112 is a wasteful number, since it uses less digits than its factorization.

1000200021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4912 (or 4908 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1000200021112 its reverse (2111200020001), we get a palindrome (3111400041113).

The spelling of 1000200021112 in words is "one trillion, two hundred million, twenty-one thousand, one hundred twelve".