211204134422 has 8 divisors (see below), whose sum is σ = 317286941400. Its totient is φ = 105441820624.

The previous prime is 211204134377. The next prime is 211204134439. The reversal of 211204134422 is 224431402112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 211204134391 and 211204134400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80121647 + ... + 80124282.

It is an arithmetic number, because the mean of its divisors is an integer number (39660867675).

Almost surely, 2^211204134422 is an apocalyptic number.

211204134422 is a deficient number, since it is larger than the sum of its proper divisors (106082806978).

211204134422 is a wasteful number, since it uses less digits than its factorization.

211204134422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160246590.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 211204134422 its reverse (224431402112), we get a palindrome (435635536534).

The spelling of 211204134422 in words is "two hundred eleven billion, two hundred four million, one hundred thirty-four thousand, four hundred twenty-two".