22110212122222 has 16 divisors (see below), whose sum is σ = 37928608104672. Its totient is φ = 9469458364320.

The previous prime is 22110212122217. The next prime is 22110212122223. The reversal of 22110212122222 is 22222121201122.

It is a super-2 number, since 2×22110212122222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22110212122193 and 22110212122202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110212122223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528880929 + ... + 528922732.

It is an arithmetic number, because the mean of its divisors is an integer number (2370538006542).

Almost surely, 2^{22110212122222} is an apocalyptic number.

22110212122222 is a deficient number, since it is larger than the sum of its proper divisors (15818395982450).

22110212122222 is a wasteful number, since it uses less digits than its factorization.

22110212122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057805163.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 22110212122222 its reverse (22222121201122), we get a palindrome (44332333323344).

The spelling of 22110212122222 in words is "twenty-two trillion, one hundred ten billion, two hundred twelve million, one hundred twenty-two thousand, two hundred twenty-two".