1421331112 has 16 divisors (see below), whose sum is σ = 2671185600. Its totient is φ = 709014960.

The previous prime is 1421331077. The next prime is 1421331113. The reversal of 1421331112 is 2111331241.

It is a self number, because there is not a number n which added to its sum of digits gives 1421331112.

It is not an unprimeable number, because it can be changed into a prime (1421331113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202662 + ... + 209557.

It is an arithmetic number, because the mean of its divisors is an integer number (166949100).

Almost surely, 2^1421331112 is an apocalyptic number.

It is an amenable number.

1421331112 is a deficient number, since it is larger than the sum of its proper divisors (1249854488).

1421331112 is a wasteful number, since it uses less digits than its factorization.

1421331112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412656 (or 412652 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 1421331112 is about 37700.5452480465. The cubic root of 1421331112 is about 1124.3419656636.

Adding to 1421331112 its reverse (2111331241), we get a palindrome (3532662353).

The spelling of 1421331112 in words is "one billion, four hundred twenty-one million, three hundred thirty-one thousand, one hundred twelve".