111121022102212 has 12 divisors (see below), whose sum is σ = 194883614687916. Its totient is φ = 55439989334240.

The previous prime is 111121022102203. The next prime is 111121022102267. The reversal of 111121022102212 is 212201220121111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 77135573374596 + 33985448727616 = 8782686^2 + 5829704^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111121022102212.

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 3 ways as a sum of consecutive naturals, for example, 30130427143 + ... + 30130430830.

It is an arithmetic number, because the mean of its divisors is an integer number (16240301223993).

Almost surely, 2^{111121022102212} is an apocalyptic number.

It is an amenable number.

111121022102212 is a deficient number, since it is larger than the sum of its proper divisors (83762592585704).

111121022102212 is a wasteful number, since it uses less digits than its factorization.

111121022102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60260858438 (or 60260858436 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111121022102212 its reverse (212201220121111), we get a palindrome (323322242223323).

The spelling of 111121022102212 in words is "one hundred eleven trillion, one hundred twenty-one billion, twenty-two million, one hundred two thousand, two hundred twelve".