111220121222102 has 8 divisors (see below), whose sum is σ = 166892131407456. Its totient is φ = 55589410752952.

The previous prime is 111220121222053. The next prime is 111220121222167. The reversal of 111220121222102 is 201222121022111.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10324922318 + ... + 10324933089.

It is an arithmetic number, because the mean of its divisors is an integer number (20861516425932).

Almost surely, 2^{111220121222102} is an apocalyptic number.

111220121222102 is a deficient number, since it is larger than the sum of its proper divisors (55672010185354).

111220121222102 is a wasteful number, since it uses less digits than its factorization.

111220121222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20649858102.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 111220121222102 its reverse (201222121022111), we get a palindrome (312442242244213).

The spelling of 111220121222102 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred two".