210221421141 has 8 divisors (see below), whose sum is σ = 280299057984. Its totient is φ = 140145699200.

The previous prime is 210221421139. The next prime is 210221421169. The reversal of 210221421141 is 141124122012.

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 210221421141 - 2¹ = 210221421139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210221420141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199260 + ... + 678341.

It is an arithmetic number, because the mean of its divisors is an integer number (35037382248).

Almost surely, 2^210221421141 is an apocalyptic number.

It is an amenable number.

210221421141 is a deficient number, since it is larger than the sum of its proper divisors (70077636843).

210221421141 is an equidigital number, since it uses as much as digits as its factorization.

210221421141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957451.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 210221421141 its reverse (141124122012), we get a palindrome (351345543153).

The spelling of 210221421141 in words is "two hundred ten billion, two hundred twenty-one million, four hundred twenty-one thousand, one hundred forty-one".