112100022221212 has 24 divisors (see below), whose sum is σ = 205384751989200. Its totient is φ = 53465237016576.

The previous prime is 112100022221153. The next prime is 112100022221219. The reversal of 112100022221212 is 212122220001211.

It is a self number, because there is not a number n which added to its sum of digits gives 112100022221212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112100022221219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5821553637 + ... + 5821572892.

It is an arithmetic number, because the mean of its divisors is an integer number (8557697999550).

Almost surely, 2^{112100022221212} is an apocalyptic number.

It is an amenable number.

112100022221212 is a deficient number, since it is larger than the sum of its proper divisors (93284729767988).

112100022221212 is a wasteful number, since it uses less digits than its factorization.

112100022221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11643126645 (or 11643126643 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112100022221212 its reverse (212122220001211), we get a palindrome (324222242222423).

The spelling of 112100022221212 in words is "one hundred twelve trillion, one hundred billion, twenty-two million, two hundred twenty-one thousand, two hundred twelve".