22111110212210 has 32 divisors (see below), whose sum is σ = 39833953008192. Its totient is φ = 8836899638080.

The previous prime is 22111110212179. The next prime is 22111110212227. The reversal of 22111110212210 is 1221201111122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198308897 + ... + 198420363.

It is an arithmetic number, because the mean of its divisors is an integer number (1244811031506).

Almost surely, 2^{22111110212210} is an apocalyptic number.

22111110212210 is a deficient number, since it is larger than the sum of its proper divisors (17722842795982).

22111110212210 is a wasteful number, since it uses less digits than its factorization.

22111110212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128218.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22111110212210 its reverse (1221201111122), we get a palindrome (23332311323332).

The spelling of 22111110212210 in words is "twenty-two trillion, one hundred eleven billion, one hundred ten million, two hundred twelve thousand, two hundred ten".