111122022112210 has 32 divisors (see below), whose sum is σ = 210566686968000. Its totient is φ = 42105458312640.

The previous prime is 111122022112069. The next prime is 111122022112247. The reversal of 111122022112210 is 12211220221111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 15 ways as a sum of consecutive naturals, for example, 25321285 + ... + 29383864.

It is an arithmetic number, because the mean of its divisors is an integer number (6580208967750).

Almost surely, 2^{111122022112210} is an apocalyptic number.

111122022112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111122022112210 is a deficient number, since it is larger than the sum of its proper divisors (99444664855790).

111122022112210 is a wasteful number, since it uses less digits than its factorization.

111122022112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54715866.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111122022112210 its reverse (12211220221111), we get a palindrome (123333242333321).

The spelling of 111122022112210 in words is "one hundred eleven trillion, one hundred twenty-two billion, twenty-two million, one hundred twelve thousand, two hundred ten".