111244023012 has 24 divisors (see below), whose sum is σ = 259600784800. Its totient is φ = 37076855616.

The previous prime is 111244022999. The next prime is 111244023017. The reversal of 111244023012 is 210320442111.

It is a self number, because there is not a number n which added to its sum of digits gives 111244023012.

It is not an unprimeable number, because it can be changed into a prime (111244023017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456562 + ... + 656457.

Almost surely, 2^111244023012 is an apocalyptic number.

111244023012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111244023012 is an abundant number, since it is smaller than the sum of its proper divisors (148356761788).

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

111244023012 is a wasteful number, since it uses less digits than its factorization.

111244023012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121355 (or 1121353 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 111244023012 its reverse (210320442111), we get a palindrome (321564465123).

The spelling of 111244023012 in words is "one hundred eleven billion, two hundred forty-four million, twenty-three thousand, twelve".