111102202100212 has 12 divisors (see below), whose sum is σ = 194428944910116. Its totient is φ = 55551074983040.

The previous prime is 111102202100209. The next prime is 111102202100213. The reversal of 111102202100212 is 212001202201111.

It can be written as a sum of positive squares in 2 ways, for example, as 108215043801316 + 2887158298896 = 10402646^2 + 1699164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111102202100213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5559708 + ... + 15909580.

It is an arithmetic number, because the mean of its divisors is an integer number (16202412075843).

Almost surely, 2^{111102202100212} is an apocalyptic number.

It is an amenable number.

111102202100212 is a deficient number, since it is larger than the sum of its proper divisors (83326742809904).

111102202100212 is a wasteful number, since it uses less digits than its factorization.

111102202100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13033538 (or 13033536 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111102202100212 its reverse (212001202201111), we get a palindrome (323103404301323).

The spelling of 111102202100212 in words is "one hundred eleven trillion, one hundred two billion, two hundred two million, one hundred thousand, two hundred twelve".