1000200021011 has 16 divisors (see below), whose sum is σ = 1073755200000. Its totient is φ = 928828200096.

The previous prime is 1000200020971. The next prime is 1000200021019. The reversal of 1000200021011 is 1101200020001.

It is a cyclic number.

It is not a de Polignac number, because 1000200021011 - 2¹⁸ = 1000199758867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1000200021011.

It is not an unprimeable number, because it can be changed into a prime (1000200021019) 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, 887051 + ... + 1669508.

It is an arithmetic number, because the mean of its divisors is an integer number (67109700000).

Almost surely, 2^{1000200021011} is an apocalyptic number.

1000200021011 is a deficient number, since it is larger than the sum of its proper divisors (73555178989).

1000200021011 is a wasteful number, since it uses less digits than its factorization.

1000200021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556986.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1000200021011 its reverse (1101200020001), we get a palindrome (2101400041012).

The spelling of 1000200021011 in words is "one trillion, two hundred million, twenty-one thousand, eleven".