111203354512 has 40 divisors (see below), whose sum is σ = 218717753400. Its totient is φ = 54765772800.

The previous prime is 111203354443. The next prime is 111203354519. The reversal of 111203354512 is 215453302111.

111203354512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 60062245776 + 51141108736 = 245076^2 + 226144^2 .

It is not an unprimeable number, because it can be changed into a prime (111203354519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133614 + ... + 490162.

It is an arithmetic number, because the mean of its divisors is an integer number (5467943835).

Almost surely, 2^111203354512 is an apocalyptic number.

It is an amenable number.

111203354512 is a deficient number, since it is larger than the sum of its proper divisors (107514398888).

111203354512 is a wasteful number, since it uses less digits than its factorization.

111203354512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356851 (or 356845 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 111203354512 its reverse (215453302111), we get a palindrome (326656656623).

The spelling of 111203354512 in words is "one hundred eleven billion, two hundred three million, three hundred fifty-four thousand, five hundred twelve".