111120211010212 has 24 divisors (see below), whose sum is σ = 196387569157752. Its totient is φ = 55009487328000.

The previous prime is 111120211010191. The next prime is 111120211010233. The reversal of 111120211010212 is 212010112021111.

It is an interprime number because it is at equal distance from previous prime (111120211010191) and next prime (111120211010233).

It can be written as a sum of positive squares in 4 ways, for example, as 5063292030976 + 106056918979236 = 2250176^2 + 10298394^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43572238 + ... + 46051930.

It is an arithmetic number, because the mean of its divisors is an integer number (8182815381573).

Almost surely, 2^{111120211010212} is an apocalyptic number.

It is an amenable number.

111120211010212 is a deficient number, since it is larger than the sum of its proper divisors (85267358147540).

111120211010212 is a wasteful number, since it uses less digits than its factorization.

111120211010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590719 (or 2590717 counting only the distinct ones).

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

Adding to 111120211010212 its reverse (212010112021111), we get a palindrome (323130323031323).

The spelling of 111120211010212 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred eleven million, ten thousand, two hundred twelve".