211010110221222 has 96 divisors (see below), whose sum is σ = 517685609016576. Its totient is φ = 61629238756800.

The previous prime is 211010110221193. The next prime is 211010110221241. The reversal of 211010110221222 is 222122011010112.

211010110221222 is a `hidden beast` number, since 2 + 110 + 1 + 0 + 110 + 221 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211010110221195 and 211010110221204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148938604 + ... + 150348687.

It is an arithmetic number, because the mean of its divisors is an integer number (5392558427256).

Almost surely, 2^{211010110221222} is an apocalyptic number.

211010110221222 is an abundant number, since it is smaller than the sum of its proper divisors (306675498795354).

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

211010110221222 is a wasteful number, since it uses less digits than its factorization.

211010110221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299287466 (or 299287463 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211010110221222 its reverse (222122011010112), we get a palindrome (433132121231334).

The spelling of 211010110221222 in words is "two hundred eleven trillion, ten billion, one hundred ten million, two hundred twenty-one thousand, two hundred twenty-two".