111404202112 has 64 divisors (see below), whose sum is σ = 256493606400. Its totient is φ = 47208167424.

The previous prime is 111404202079. The next prime is 111404202127. The reversal of 111404202112 is 211202404111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×111404202112² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111404202112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618768 + ... + 778255.

It is an arithmetic number, because the mean of its divisors is an integer number (4007712600).

Almost surely, 2^111404202112 is an apocalyptic number.

It is an amenable number.

111404202112 is an abundant number, since it is smaller than the sum of its proper divisors (145089404288).

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

111404202112 is an equidigital number, since it uses as much as digits as its factorization.

111404202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397133 (or 1397121 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111404202112 its reverse (211202404111), we get a palindrome (322606606223).

The spelling of 111404202112 in words is "one hundred eleven billion, four hundred four million, two hundred two thousand, one hundred twelve".