112121221210102 has 24 divisors (see below), whose sum is σ = 182916319251816. Its totient is φ = 51520290022656.

The previous prime is 112121221210099. The next prime is 112121221210111. The reversal of 112121221210102 is 201012122121211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 112121221210102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 730583163 + ... + 730736614.

It is an arithmetic number, because the mean of its divisors is an integer number (7621513302159).

Almost surely, 2^{112121221210102} is an apocalyptic number.

112121221210102 is a deficient number, since it is larger than the sum of its proper divisors (70795098041714).

112121221210102 is a wasteful number, since it uses less digits than its factorization.

112121221210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461320032 (or 1461320019 counting only the distinct ones).

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

Adding to 112121221210102 its reverse (201012122121211), we get a palindrome (313133343331313).

The spelling of 112121221210102 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred twenty-one million, two hundred ten thousand, one hundred two".