1112221102012 has 24 divisors (see below), whose sum is σ = 1956371266080. Its totient is φ = 553258184640.

The previous prime is 1112221102009. The next prime is 1112221102043. The reversal of 1112221102012 is 2102011222111.

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, 28617289 + ... + 28656127.

It is an arithmetic number, because the mean of its divisors is an integer number (81515469420).

Almost surely, 2^{1112221102012} is an apocalyptic number.

It is an amenable number.

1112221102012 is a deficient number, since it is larger than the sum of its proper divisors (844150164068).

1112221102012 is a wasteful number, since it uses less digits than its factorization.

1112221102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75381 (or 75379 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1112221102012 its reverse (2102011222111), we get a palindrome (3214232324123).

The spelling of 1112221102012 in words is "one trillion, one hundred twelve billion, two hundred twenty-one million, one hundred two thousand, twelve".