1112141421 has 20 divisors (see below), whose sum is σ = 1748788800. Its totient is φ = 702404136.

The previous prime is 1112141417. The next prime is 1112141473. The reversal of 1112141421 is 1241412111.

It is not a de Polignac number, because 1112141421 - 2² = 1112141417 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1112141394 and 1112141403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112141491) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 359781 + ... + 362858.

It is an arithmetic number, because the mean of its divisors is an integer number (87439440).

Almost surely, 2^1112141421 is an apocalyptic number.

It is an amenable number.

1112141421 is a deficient number, since it is larger than the sum of its proper divisors (636647379).

1112141421 is an equidigital number, since it uses as much as digits as its factorization.

1112141421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722670 (or 722661 counting only the distinct ones).

The product of its digits is 64, while the sum is 18.

The square root of 1112141421 is about 33348.7844006345. The cubic root of 1112141421 is about 1036.0642109866.

Adding to 1112141421 its reverse (1241412111), we get a palindrome (2353553532).

The spelling of 1112141421 in words is "one billion, one hundred twelve million, one hundred forty-one thousand, four hundred twenty-one".