111101222201012 has 12 divisors (see below), whose sum is σ = 197614468997316. Its totient is φ = 54639945344640.

The previous prime is 111101222200939. The next prime is 111101222201029. The reversal of 111101222201012 is 210102222101111.

It can be written as a sum of positive squares in 2 ways, for example, as 33900854133136 + 77200368067876 = 5822444^2 + 8786374^2 .

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, 227666438693 + ... + 227666439180.

It is an arithmetic number, because the mean of its divisors is an integer number (16467872416443).

Almost surely, 2^{111101222201012} is an apocalyptic number.

It is an amenable number.

111101222201012 is a deficient number, since it is larger than the sum of its proper divisors (86513246796304).

111101222201012 is a wasteful number, since it uses less digits than its factorization.

111101222201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455332877938 (or 455332877936 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111101222201012 its reverse (210102222101111), we get a palindrome (321203444302123).

Subtracting 111101222201012 from its reverse (210102222101111), we obtain a palindrome (99000999900099).

The spelling of 111101222201012 in words is "one hundred eleven trillion, one hundred one billion, two hundred twenty-two million, two hundred one thousand, twelve".