211420334141 has 4 divisors (see below), whose sum is σ = 211659769152. Its totient is φ = 211180899132.

The previous prime is 211420334129. The next prime is 211420334159. The reversal of 211420334141 is 141433024112.

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.

It is a cyclic number.

It is not a de Polignac number, because 211420334141 - 2²⁶ = 211353225277 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 211420334141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211420334101) 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 3 ways as a sum of consecutive naturals, for example, 119716181 + ... + 119717946.

It is an arithmetic number, because the mean of its divisors is an integer number (52914942288).

Almost surely, 2^211420334141 is an apocalyptic number.

It is an amenable number.

211420334141 is a deficient number, since it is larger than the sum of its proper divisors (239435011).

211420334141 is an equidigital number, since it uses as much as digits as its factorization.

211420334141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239435010.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 211420334141 its reverse (141433024112), we get a palindrome (352853358253).

The spelling of 211420334141 in words is "two hundred eleven billion, four hundred twenty million, three hundred thirty-four thousand, one hundred forty-one".