111102121222102 has 16 divisors (see below), whose sum is σ = 169005778752672. Its totient is φ = 54766911351040.

The previous prime is 111102121222069. The next prime is 111102121222133. The reversal of 111102121222102 is 201222121201111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111102121222102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7937083 + ... + 16887910.

It is an arithmetic number, because the mean of its divisors is an integer number (10562861172042).

Almost surely, 2^{111102121222102} is an apocalyptic number.

111102121222102 is a deficient number, since it is larger than the sum of its proper divisors (57903657530570).

111102121222102 is a wasteful number, since it uses less digits than its factorization.

111102121222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24856583.

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

Adding to 111102121222102 its reverse (201222121201111), we get a palindrome (312324242423213).

The spelling of 111102121222102 in words is "one hundred eleven trillion, one hundred two billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred two".