22222111122110 has 64 divisors (see below), whose sum is σ = 40927940444160. Its totient is φ = 8684793976320.

The previous prime is 22222111122059. The next prime is 22222111122131. The reversal of 22222111122110 is 1122111122222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319988771 + ... + 320058209.

It is an arithmetic number, because the mean of its divisors is an integer number (639499069440).

Almost surely, 2^{22222111122110} is an apocalyptic number.

22222111122110 is a deficient number, since it is larger than the sum of its proper divisors (18705829322050).

22222111122110 is a wasteful number, since it uses less digits than its factorization.

22222111122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73401.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22222111122110 its reverse (1122111122222), we get a palindrome (23344222244332).

The spelling of 22222111122110 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred eleven million, one hundred twenty-two thousand, one hundred ten".