200021221110043 has 2 divisors, whose sum is σ = 200021221110044. Its totient is φ = 200021221110042.

The previous prime is 200021221109999. The next prime is 200021221110091. The reversal of 200021221110043 is 340011122120002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200021221110043 - 2⁹ = 200021221109531 is a prime.

It is a super-2 number, since 2×200021221110043² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200021221110043.

It is not a weakly prime, because it can be changed into another prime (200021221110943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100010610555021 + 100010610555022.

It is an arithmetic number, because the mean of its divisors is an integer number (100010610555022).

Almost surely, 2^{200021221110043} is an apocalyptic number.

200021221110043 is a deficient number, since it is larger than the sum of its proper divisors (1).

200021221110043 is an equidigital number, since it uses as much as digits as its factorization.

200021221110043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 200021221110043 its reverse (340011122120002), we get a palindrome (540032343230045).

The spelling of 200021221110043 in words is "two hundred trillion, twenty-one billion, two hundred twenty-one million, one hundred ten thousand, forty-three".