211220220102222 has 8 divisors (see below), whose sum is σ = 422440440204456. Its totient is φ = 70406740034072.

The previous prime is 211220220102193. The next prime is 211220220102223. The reversal of 211220220102222 is 222201022022112.

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

211220220102222 is an admirable number.

It is a super-2 number, since 2×211220220102222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211220220102223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17601685008513 + ... + 17601685008524.

It is an arithmetic number, because the mean of its divisors is an integer number (52805055025557).

Almost surely, 2^{211220220102222} is an apocalyptic number.

211220220102222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211220220102222 is a wasteful number, since it uses less digits than its factorization.

211220220102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35203370017042.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 211220220102222 its reverse (222201022022112), we get a palindrome (433421242124334).

The spelling of 211220220102222 in words is "two hundred eleven trillion, two hundred twenty billion, two hundred twenty million, one hundred two thousand, two hundred twenty-two".