100011100111222 has 4 divisors (see below), whose sum is σ = 150016650166836. Its totient is φ = 50005550055610.

The previous prime is 100011100111207. The next prime is 100011100111301. The reversal of 100011100111222 is 222111001110001.

It is a happy number.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 25002775027804 + ... + 25002775027807.

It is an arithmetic number, because the mean of its divisors is an integer number (37504162541709).

Almost surely, 2^{100011100111222} is an apocalyptic number.

100011100111222 is a deficient number, since it is larger than the sum of its proper divisors (50005550055614).

100011100111222 is an equidigital number, since it uses as much as digits as its factorization.

100011100111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50005550055613.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100011100111222 its reverse (222111001110001), we get a palindrome (322122101221223).

The spelling of 100011100111222 in words is "one hundred trillion, eleven billion, one hundred million, one hundred eleven thousand, two hundred twenty-two".