111202102120212 has 72 divisors (see below), whose sum is σ = 285865649858880. Its totient is φ = 36438196915200.

The previous prime is 111202102120111. The next prime is 111202102120253. The reversal of 111202102120212 is 212021201202111.

111202102120212 is a `hidden beast` number, since 1 + 1 + 120 + 210 + 2 + 120 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87196468 + ... + 88462580.

It is an arithmetic number, because the mean of its divisors is an integer number (3970356248040).

Almost surely, 2^{111202102120212} is an apocalyptic number.

111202102120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111202102120212 is an abundant number, since it is smaller than the sum of its proper divisors (174663547738668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111202102120212 is a wasteful number, since it uses less digits than its factorization.

111202102120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307533 (or 1307528 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111202102120212 its reverse (212021201202111), we get a palindrome (323223303322323).

The spelling of 111202102120212 in words is "one hundred eleven trillion, two hundred two billion, one hundred two million, one hundred twenty thousand, two hundred twelve".