211414210411021 has 4 divisors (see below), whose sum is σ = 211414497820000. Its totient is φ = 211413923002044.

The previous prime is 211414210410959. The next prime is 211414210411069. The reversal of 211414210411021 is 120114012414112.

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 211414210411021 - 2³⁹ = 210864454597133 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 (211414210421021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142598271 + ... + 144073228.

It is an arithmetic number, because the mean of its divisors is an integer number (52853624455000).

Almost surely, 2^{211414210411021} is an apocalyptic number.

It is an amenable number.

211414210411021 is a deficient number, since it is larger than the sum of its proper divisors (287408979).

211414210411021 is an equidigital number, since it uses as much as digits as its factorization.

211414210411021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287408978.

The product of its (nonzero) digits is 512, while the sum is 25.

Adding to 211414210411021 its reverse (120114012414112), we get a palindrome (331528222825133).

The spelling of 211414210411021 in words is "two hundred eleven trillion, four hundred fourteen billion, two hundred ten million, four hundred eleven thousand, twenty-one".