111100012220002 has 32 divisors (see below), whose sum is σ = 186098838392880. Its totient is φ = 49391160618240.

The previous prime is 111100012219913. The next prime is 111100012220003. The reversal of 111100012220002 is 200022210001111.

It can be written as a sum of positive squares in 8 ways, for example, as 36809593202281 + 74290419017721 = 6067091^2 + 8619189^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (111100012220003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174679593 + ... + 175314460.

Almost surely, 2^{111100012220002} is an apocalyptic number.

111100012220002 is a deficient number, since it is larger than the sum of its proper divisors (74998826172878).

111100012220002 is a wasteful number, since it uses less digits than its factorization.

111100012220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349994518.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111100012220002 its reverse (200022210001111), we get a palindrome (311122222221113).

The spelling of 111100012220002 in words is "one hundred eleven trillion, one hundred billion, twelve million, two hundred twenty thousand, two".