111111200022 has 16 divisors (see below), whose sum is σ = 228228411312. Its totient is φ = 36036064800.

The previous prime is 111111200021. The next prime is 111111200023. The reversal of 111111200022 is 220002111111.

It is an interprime number because it is at equal distance from previous prime (111111200021) and next prime (111111200023).

It is a junction number, because it is equal to n+sod(n) for n = 111111199980 and 111111200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111111200021) 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 7 ways as a sum of consecutive naturals, for example, 250250229 + ... + 250250672.

It is an arithmetic number, because the mean of its divisors is an integer number (14264275707).

Almost surely, 2^111111200022 is an apocalyptic number.

111111200022 is an abundant number, since it is smaller than the sum of its proper divisors (117117211290).

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

111111200022 is a wasteful number, since it uses less digits than its factorization.

111111200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500500943.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111111200022 its reverse (220002111111), we get a palindrome (331113311133).

The spelling of 111111200022 in words is "one hundred eleven billion, one hundred eleven million, two hundred thousand, twenty-two".