211020212222 has 8 divisors (see below), whose sum is σ = 316849726272. Its totient is φ = 105403636800.

The previous prime is 211020212171. The next prime is 211020212231. The reversal of 211020212222 is 222212020112.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 211020212222.

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, 53232179 + ... + 53236142.

It is an arithmetic number, because the mean of its divisors is an integer number (39606215784).

Almost surely, 2^211020212222 is an apocalyptic number.

211020212222 is a deficient number, since it is larger than the sum of its proper divisors (105829514050).

211020212222 is a wasteful number, since it uses less digits than its factorization.

211020212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106469314.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 211020212222 its reverse (222212020112), we get a palindrome (433232232334).

The spelling of 211020212222 in words is "two hundred eleven billion, twenty million, two hundred twelve thousand, two hundred twenty-two".