111222110012102 has 4 divisors (see below), whose sum is σ = 166833165018156. Its totient is φ = 55611055006050.

The previous prime is 111222110012009. The next prime is 111222110012141. The reversal of 111222110012102 is 201210011222111.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27805527503024 + ... + 27805527503027.

It is an arithmetic number, because the mean of its divisors is an integer number (41708291254539).

Almost surely, 2^{111222110012102} is an apocalyptic number.

111222110012102 is a deficient number, since it is larger than the sum of its proper divisors (55611055006054).

111222110012102 is an equidigital number, since it uses as much as digits as its factorization.

111222110012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55611055006053.

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

Adding to 111222110012102 its reverse (201210011222111), we get a palindrome (312432121234213).

The spelling of 111222110012102 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred ten million, twelve thousand, one hundred two".