112111211221012 has 24 divisors (see below), whose sum is σ = 200815229462400. Its totient is φ = 54740743948800.

The previous prime is 112111211220961. The next prime is 112111211221049. The reversal of 112111211221012 is 210122112111211.

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, 663987114 + ... + 664155937.

It is an arithmetic number, because the mean of its divisors is an integer number (8367301227600).

Almost surely, 2^{112111211221012} is an apocalyptic number.

It is an amenable number.

112111211221012 is a deficient number, since it is larger than the sum of its proper divisors (88704018241388).

112111211221012 is a wasteful number, since it uses less digits than its factorization.

112111211221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328143551 (or 1328143549 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 112111211221012 its reverse (210122112111211), we get a palindrome (322233323332223).

The spelling of 112111211221012 in words is "one hundred twelve trillion, one hundred eleven billion, two hundred eleven million, two hundred twenty-one thousand, twelve".