100112221122222 has 64 divisors (see below), whose sum is σ = 205906351150080. Its totient is φ = 32426138795904.

The previous prime is 100112221122217. The next prime is 100112221122233. The reversal of 100112221122222 is 222221122211001.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1481376429 + ... + 1481444007.

It is an arithmetic number, because the mean of its divisors is an integer number (3217286736720).

Almost surely, 2^{100112221122222} is an apocalyptic number.

100112221122222 is an abundant number, since it is smaller than the sum of its proper divisors (105794130027858).

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

100112221122222 is a wasteful number, since it uses less digits than its factorization.

100112221122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76297.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 100112221122222 its reverse (222221122211001), we get a palindrome (322333343333223).

The spelling of 100112221122222 in words is "one hundred trillion, one hundred twelve billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-two".