211422210411 has 4 divisors (see below), whose sum is σ = 281896280552. Its totient is φ = 140948140272.

The previous prime is 211422210409. The next prime is 211422210443. The reversal of 211422210411 is 114012224112.

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

It is not a de Polignac number, because 211422210411 - 2¹ = 211422210409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211422217411) 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, 35237035066 + ... + 35237035071.

It is an arithmetic number, because the mean of its divisors is an integer number (70474070138).

Almost surely, 2^211422210411 is an apocalyptic number.

211422210411 is a deficient number, since it is larger than the sum of its proper divisors (70474070141).

211422210411 is an equidigital number, since it uses as much as digits as its factorization.

211422210411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70474070140.

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

Adding to 211422210411 its reverse (114012224112), we get a palindrome (325434434523).

The spelling of 211422210411 in words is "two hundred eleven billion, four hundred twenty-two million, two hundred ten thousand, four hundred eleven".