111011211212102 has 8 divisors (see below), whose sum is σ = 166518089992800. Its totient is φ = 55505181214504.

The previous prime is 111011211212101. The next prime is 111011211212233. The reversal of 111011211212102 is 201212112110111.

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 (111011211212101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211868702 + ... + 212392017.

It is an arithmetic number, because the mean of its divisors is an integer number (20814761249100).

Almost surely, 2^{111011211212102} is an apocalyptic number.

111011211212102 is a deficient number, since it is larger than the sum of its proper divisors (55506878780698).

111011211212102 is a wasteful number, since it uses less digits than its factorization.

111011211212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424391550.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111011211212102 its reverse (201212112110111), we get a palindrome (312223323322213).

The spelling of 111011211212102 in words is "one hundred eleven trillion, eleven billion, two hundred eleven million, two hundred twelve thousand, one hundred two".