111102122121022 has 16 divisors (see below), whose sum is σ = 168891256472400. Its totient is φ = 54807744523840.

The previous prime is 111102122121017. The next prime is 111102122121079. The reversal of 111102122121022 is 220121221201111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676891072 + ... + 677055187.

It is an arithmetic number, because the mean of its divisors is an integer number (10555703529525).

Almost surely, 2^{111102122121022} is an apocalyptic number.

111102122121022 is a deficient number, since it is larger than the sum of its proper divisors (57789134351378).

111102122121022 is a wasteful number, since it uses less digits than its factorization.

111102122121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353946811.

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

Adding to 111102122121022 its reverse (220121221201111), we get a palindrome (331223343322133).

The spelling of 111102122121022 in words is "one hundred eleven trillion, one hundred two billion, one hundred twenty-two million, one hundred twenty-one thousand, twenty-two".