1222111100110 has 16 divisors (see below), whose sum is σ = 2207741501376. Its totient is φ = 487079657568.

The previous prime is 1222111100099. The next prime is 1222111100113. The reversal of 1222111100110 is 110011112221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222111100113) 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, 220594902 + ... + 220600441.

It is an arithmetic number, because the mean of its divisors is an integer number (137983843836).

Almost surely, 2^{1222111100110} is an apocalyptic number.

1222111100110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222111100110 is a deficient number, since it is larger than the sum of its proper divisors (985630401266).

1222111100110 is a wasteful number, since it uses less digits than its factorization.

1222111100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441195627.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1222111100110 its reverse (110011112221), we get a palindrome (1332122212331).

The spelling of 1222111100110 in words is "one trillion, two hundred twenty-two billion, one hundred eleven million, one hundred thousand, one hundred ten".