111220012102 has 8 divisors (see below), whose sum is σ = 170899043112. Its totient is φ = 54253664400.

The previous prime is 111220012091. The next prime is 111220012103. The reversal of 111220012102 is 201210022111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220012103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678170724 + ... + 678170887.

It is an arithmetic number, because the mean of its divisors is an integer number (21362380389).

Almost surely, 2^111220012102 is an apocalyptic number.

111220012102 is a deficient number, since it is larger than the sum of its proper divisors (59679031010).

111220012102 is a wasteful number, since it uses less digits than its factorization.

111220012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356341654.

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

Adding to 111220012102 its reverse (201210022111), we get a palindrome (312430034213).

The spelling of 111220012102 in words is "one hundred eleven billion, two hundred twenty million, twelve thousand, one hundred two".