200021141 has 4 divisors (see below), whose sum is σ = 200050752. Its totient is φ = 199991532.

The previous prime is 200021123. The next prime is 200021153. The reversal of 200021141 is 141120002.

200021141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200021141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836 + ... + 20018.

It is an arithmetic number, because the mean of its divisors is an integer number (50012688).

Almost surely, 2^200021141 is an apocalyptic number.

It is an amenable number.

200021141 is a deficient number, since it is larger than the sum of its proper divisors (29611).

200021141 is a wasteful number, since it uses less digits than its factorization.

200021141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29610.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 200021141 is about 14142.8830512028. The cubic root of 200021141 is about 584.8241524696.

Adding to 200021141 its reverse (141120002), we get a palindrome (341141143).

The spelling of 200021141 in words is "two hundred million, twenty-one thousand, one hundred forty-one".