1112420221 has 8 divisors (see below), whose sum is σ = 1215444384. Its totient is φ = 1009711920.

The previous prime is 1112420219. The next prime is 1112420249. The reversal of 1112420221 is 1220242111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1112420221 - 2¹ = 1112420219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112420195 and 1112420204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112420321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71566 + ... + 85711.

It is an arithmetic number, because the mean of its divisors is an integer number (151930548).

Almost surely, 2^1112420221 is an apocalyptic number.

1112420221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112420221 is a deficient number, since it is larger than the sum of its proper divisors (103024163).

1112420221 is a wasteful number, since it uses less digits than its factorization.

1112420221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157931.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1112420221 is about 33352.9642011021. The cubic root of 1112420221 is about 1036.1507798835.

Adding to 1112420221 its reverse (1220242111), we get a palindrome (2332662332).

The spelling of 1112420221 in words is "one billion, one hundred twelve million, four hundred twenty thousand, two hundred twenty-one".