111143424100 has 72 divisors (see below), whose sum is σ = 253942774400. Its totient is φ = 42106262400.

The previous prime is 111143424079. The next prime is 111143424103. The reversal of 111143424100 is 1424341111.

It is not an unprimeable number, because it can be changed into a prime (111143424103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11830405 + ... + 11839795.

Almost surely, 2^111143424100 is an apocalyptic number.

111143424100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111143424100 is an abundant number, since it is smaller than the sum of its proper divisors (142799350300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111143424100 is a wasteful number, since it uses less digits than its factorization.

111143424100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15653 (or 15646 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 111143424100 its reverse (1424341111), we get a palindrome (112567765211).

The spelling of 111143424100 in words is "one hundred eleven billion, one hundred forty-three million, four hundred twenty-four thousand, one hundred".