112101221021212 has 24 divisors (see below), whose sum is σ = 207718184797200. Its totient is φ = 52753206839040.

The previous prime is 112101221021197. The next prime is 112101221021233. The reversal of 112101221021212 is 212120122101211.

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 112101221021212.

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, 7084414 + ... + 16564762.

It is an arithmetic number, because the mean of its divisors is an integer number (8654924366550).

Almost surely, 2^{112101221021212} is an apocalyptic number.

It is an amenable number.

112101221021212 is a deficient number, since it is larger than the sum of its proper divisors (95616963775988).

112101221021212 is a wasteful number, since it uses less digits than its factorization.

112101221021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9654261 (or 9654259 counting only the distinct ones).

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

Adding to 112101221021212 its reverse (212120122101211), we get a palindrome (324221343122423).

The spelling of 112101221021212 in words is "one hundred twelve trillion, one hundred one billion, two hundred twenty-one million, twenty-one thousand, two hundred twelve".