111021211202122 has 32 divisors (see below), whose sum is σ = 179931994744320. Its totient is φ = 51072001182720.

The previous prime is 111021211202119. The next prime is 111021211202147. The reversal of 111021211202122 is 221202112120111.

It is a happy number.

111021211202122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 111021211202122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109732879 + ... + 110739997.

It is an arithmetic number, because the mean of its divisors is an integer number (5622874835760).

Almost surely, 2^{111021211202122} is an apocalyptic number.

111021211202122 is a deficient number, since it is larger than the sum of its proper divisors (68910783542198).

111021211202122 is a wasteful number, since it uses less digits than its factorization.

111021211202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021078.

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

Adding to 111021211202122 its reverse (221202112120111), we get a palindrome (332223323322233).

The spelling of 111021211202122 in words is "one hundred eleven trillion, twenty-one billion, two hundred eleven million, two hundred two thousand, one hundred twenty-two".