201043222021 has 8 divisors (see below), whose sum is σ = 201664663200. Its totient is φ = 200422456080.

The previous prime is 201043222007. The next prime is 201043222027. The reversal of 201043222021 is 120222340102.

201043222021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201043222021 - 2¹⁹ = 201042697733 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 201043222021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201043222027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430866 + ... + 766636.

It is an arithmetic number, because the mean of its divisors is an integer number (25208082900).

Almost surely, 2^201043222021 is an apocalyptic number.

It is an amenable number.

201043222021 is a deficient number, since it is larger than the sum of its proper divisors (621441179).

201043222021 is a wasteful number, since it uses less digits than its factorization.

201043222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337619.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 201043222021 its reverse (120222340102), we get a palindrome (321265562123).

The spelling of 201043222021 in words is "two hundred one billion, forty-three million, two hundred twenty-two thousand, twenty-one".