211434314222 has 4 divisors (see below), whose sum is σ = 317151471336. Its totient is φ = 105717157110.

The previous prime is 211434314191. The next prime is 211434314309. The reversal of 211434314222 is 222413434112.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 52858578554 + ... + 52858578557.

It is an arithmetic number, because the mean of its divisors is an integer number (79287867834).

Almost surely, 2^211434314222 is an apocalyptic number.

211434314222 is a deficient number, since it is larger than the sum of its proper divisors (105717157114).

211434314222 is a wasteful number, since it uses less digits than its factorization.

211434314222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105717157113.

The product of its digits is 9216, while the sum is 29.

Adding to 211434314222 its reverse (222413434112), we get a palindrome (433847748334).

The spelling of 211434314222 in words is "two hundred eleven billion, four hundred thirty-four million, three hundred fourteen thousand, two hundred twenty-two".