111443031124 has 12 divisors (see below), whose sum is σ = 195729368884. Its totient is φ = 55520354304.

The previous prime is 111443031079. The next prime is 111443031137. The reversal of 111443031124 is 421130344111.

It can be written as a sum of positive squares in 2 ways, for example, as 54098108100 + 57344923024 = 232590^2 + 239468^2 .

It is a super-2 number, since 2×111443031124² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50289069 + ... + 50291284.

Almost surely, 2^111443031124 is an apocalyptic number.

It is an amenable number.

111443031124 is a deficient number, since it is larger than the sum of its proper divisors (84286337760).

111443031124 is a wasteful number, since it uses less digits than its factorization.

111443031124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100580634 (or 100580632 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 111443031124 its reverse (421130344111), we get a palindrome (532573375235).

The spelling of 111443031124 in words is "one hundred eleven billion, four hundred forty-three million, thirty-one thousand, one hundred twenty-four".