2200021100001 has 40 divisors (see below), whose sum is σ = 3313908053544. Its totient is φ = 1454475294720.

The previous prime is 2200021099963. The next prime is 2200021100027. The reversal of 2200021100001 is 1000011200022.

It can be written as a sum of positive squares in 4 ways, for example, as 268132374225 + 1931888725776 = 517815^2 + 1389924^2 .

It is not a de Polignac number, because 2200021100001 - 2⁹ = 2200021099489 is a prime.

It is a super-2 number, since 2×2200021100001² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2200021100201) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4733691 + ... + 5177631.

Almost surely, 2^{2200021100001} is an apocalyptic number.

It is an amenable number.

2200021100001 is a deficient number, since it is larger than the sum of its proper divisors (1113886953543).

2200021100001 is a wasteful number, since it uses less digits than its factorization.

2200021100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444463 (or 444454 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2200021100001 its reverse (1000011200022), we get a palindrome (3200032300023).

The spelling of 2200021100001 in words is "two trillion, two hundred billion, twenty-one million, one hundred thousand, one".