1112230221372 has 18 divisors (see below), whose sum is σ = 2811470837448. Its totient is φ = 370743407112.

The previous prime is 1112230221367. The next prime is 1112230221373. The reversal of 1112230221372 is 2731220322111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112230221373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15447641928 + ... + 15447641999.

Almost surely, 2^{1112230221372} is an apocalyptic number.

1112230221372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1112230221372 is an abundant number, since it is smaller than the sum of its proper divisors (1699240616076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1112230221372 is a wasteful number, since it uses less digits than its factorization.

1112230221372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30895283937 (or 30895283932 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

Adding to 1112230221372 its reverse (2731220322111), we get a palindrome (3843450543483).

The spelling of 1112230221372 in words is "one trillion, one hundred twelve billion, two hundred thirty million, two hundred twenty-one thousand, three hundred seventy-two".