210220141 has 4 divisors (see below), whose sum is σ = 210585052. Its totient is φ = 209855232.

The previous prime is 210220111. The next prime is 210220151. The reversal of 210220141 is 141022012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126112900 + 84107241 = 11230^2 + 9171^2 .

It is a cyclic number.

It is not a de Polignac number, because 210220141 - 2¹³ = 210211949 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 (210220111) 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, 181590 + ... + 182743.

It is an arithmetic number, because the mean of its divisors is an integer number (52646263).

Almost surely, 2^210220141 is an apocalyptic number.

It is an amenable number.

210220141 is a deficient number, since it is larger than the sum of its proper divisors (364911).

210220141 is an equidigital number, since it uses as much as digits as its factorization.

210220141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364910.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 210220141 is about 14498.9703427519. The cubic root of 210220141 is about 594.5998213016.

Adding to 210220141 its reverse (141022012), we get a palindrome (351242153).

The spelling of 210220141 in words is "two hundred ten million, two hundred twenty thousand, one hundred forty-one".