111012220102 has 8 divisors (see below), whose sum is σ = 190306663056. Its totient is φ = 47576665752.

The previous prime is 111012220097. The next prime is 111012220133. The reversal of 111012220102 is 201022210111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3964722133 + ... + 3964722160.

It is an arithmetic number, because the mean of its divisors is an integer number (23788332882).

Almost surely, 2^111012220102 is an apocalyptic number.

111012220102 is a deficient number, since it is larger than the sum of its proper divisors (79294442954).

111012220102 is an equidigital number, since it uses as much as digits as its factorization.

111012220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7929444302.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111012220102 its reverse (201022210111), we get a palindrome (312034430213).

Subtracting 111012220102 from its reverse (201022210111), we obtain a palindrome (90009990009).

The spelling of 111012220102 in words is "one hundred eleven billion, twelve million, two hundred twenty thousand, one hundred two".