211421030222 has 8 divisors (see below), whose sum is σ = 317162940672. Its totient is φ = 105700050000.

The previous prime is 211421030209. The next prime is 211421030251. The reversal of 211421030222 is 222030124112.

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 = 211421030194 and 211421030203.

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, 5207279 + ... + 5247722.

It is an arithmetic number, because the mean of its divisors is an integer number (39645367584).

Almost surely, 2^211421030222 is an apocalyptic number.

211421030222 is a deficient number, since it is larger than the sum of its proper divisors (105741910450).

211421030222 is a wasteful number, since it uses less digits than its factorization.

211421030222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10465114.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 211421030222 its reverse (222030124112), we get a palindrome (433451154334).

The spelling of 211421030222 in words is "two hundred eleven billion, four hundred twenty-one million, thirty thousand, two hundred twenty-two".