111421134112 has 24 divisors (see below), whose sum is σ = 219462949692. Its totient is φ = 55684512000.

The previous prime is 111421134107. The next prime is 111421134113. The reversal of 111421134112 is 211431124111.

It can be written as a sum of positive squares in 2 ways, for example, as 69888324496 + 41532809616 = 264364^2 + 203796^2 .

It is not an unprimeable number, because it can be changed into a prime (111421134113) 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, 744639 + ... + 881662.

Almost surely, 2^111421134112 is an apocalyptic number.

It is an amenable number.

111421134112 is a deficient number, since it is larger than the sum of its proper divisors (108041815580).

111421134112 is a wasteful number, since it uses less digits than its factorization.

111421134112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628452 (or 1628444 counting only the distinct ones).

The product of its digits is 192, while the sum is 22.

Adding to 111421134112 its reverse (211431124111), we get a palindrome (322852258223).

The spelling of 111421134112 in words is "one hundred eleven billion, four hundred twenty-one million, one hundred thirty-four thousand, one hundred twelve".