111100021222210 has 16 divisors (see below), whose sum is σ = 200211764795136. Its totient is φ = 44388513689968.

The previous prime is 111100021222207. The next prime is 111100021222213. The reversal of 111100021222210 is 12222120001111.

It is an interprime number because it is at equal distance from previous prime (111100021222207) and next prime (111100021222213).

It is not an unprimeable number, because it can be changed into a prime (111100021222213) 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, 6436840804 + ... + 6436858063.

It is an arithmetic number, because the mean of its divisors is an integer number (12513235299696).

Almost surely, 2^{111100021222210} is an apocalyptic number.

111100021222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111100021222210 is a deficient number, since it is larger than the sum of its proper divisors (89111743572926).

111100021222210 is a wasteful number, since it uses less digits than its factorization.

111100021222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12873699737.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111100021222210 its reverse (12222120001111), we get a palindrome (123322141223321).

The spelling of 111100021222210 in words is "one hundred eleven trillion, one hundred billion, twenty-one million, two hundred twenty-two thousand, two hundred ten".