1112100221012 has 24 divisors (see below), whose sum is σ = 2123702333760. Its totient is φ = 505356788160.

The previous prime is 1112100220997. The next prime is 1112100221017. The reversal of 1112100221012 is 2101220012111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112100221017) 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, 3425768 + ... + 3736319.

It is an arithmetic number, because the mean of its divisors is an integer number (88487597240).

Almost surely, 2^{1112100221012} is an apocalyptic number.

It is an amenable number.

1112100221012 is a deficient number, since it is larger than the sum of its proper divisors (1011602112748).

1112100221012 is a wasteful number, since it uses less digits than its factorization.

1112100221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7165631 (or 7165629 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1112100221012 its reverse (2101220012111), we get a palindrome (3213320233123).

The spelling of 1112100221012 in words is "one trillion, one hundred twelve billion, one hundred million, two hundred twenty-one thousand, twelve".