111102202020212 has 48 divisors (see below), whose sum is σ = 216216721695744. Its totient is φ = 49606030368000.

The previous prime is 111102202020209. The next prime is 111102202020217. The reversal of 111102202020212 is 212020202201111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111102202020217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7848089 + ... + 16846272.

It is an arithmetic number, because the mean of its divisors is an integer number (4504515035328).

Almost surely, 2^{111102202020212} is an apocalyptic number.

It is an amenable number.

111102202020212 is a deficient number, since it is larger than the sum of its proper divisors (105114519675532).

111102202020212 is a wasteful number, since it uses less digits than its factorization.

111102202020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24697200 (or 24697198 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111102202020212 its reverse (212020202201111), we get a palindrome (323122404221323).

The spelling of 111102202020212 in words is "one hundred eleven trillion, one hundred two billion, two hundred two million, twenty thousand, two hundred twelve".