211110010022222 has 4 divisors (see below), whose sum is σ = 316665015033336. Its totient is φ = 105555005011110.

The previous prime is 211110010022213. The next prime is 211110010022227. The reversal of 211110010022222 is 222220010011112.

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

It is a self number, because there is not a number n which added to its sum of digits gives 211110010022222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211110010022227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52777502505554 + ... + 52777502505557.

It is an arithmetic number, because the mean of its divisors is an integer number (79166253758334).

Almost surely, 2^{211110010022222} is an apocalyptic number.

211110010022222 is a deficient number, since it is larger than the sum of its proper divisors (105555005011114).

211110010022222 is a wasteful number, since it uses less digits than its factorization.

211110010022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105555005011113.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211110010022222 its reverse (222220010011112), we get a palindrome (433330020033334).

The spelling of 211110010022222 in words is "two hundred eleven trillion, one hundred ten billion, ten million, twenty-two thousand, two hundred twenty-two".