211422304334 has 4 divisors (see below), whose sum is σ = 317133456504. Its totient is φ = 105711152166.

The previous prime is 211422304283. The next prime is 211422304351. The reversal of 211422304334 is 433403224112.

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

It is a super-3 number, since 3×211422304334³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211422304297 and 211422304306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52855576082 + ... + 52855576085.

It is an arithmetic number, because the mean of its divisors is an integer number (79283364126).

Almost surely, 2^211422304334 is an apocalyptic number.

211422304334 is a deficient number, since it is larger than the sum of its proper divisors (105711152170).

211422304334 is a wasteful number, since it uses less digits than its factorization.

211422304334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105711152169.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 211422304334 its reverse (433403224112), we get a palindrome (644825528446).

The spelling of 211422304334 in words is "two hundred eleven billion, four hundred twenty-two million, three hundred four thousand, three hundred thirty-four".