100111022111222 has 4 divisors (see below), whose sum is σ = 150166533166836. Its totient is φ = 50055511055610.

The previous prime is 100111022111189. The next prime is 100111022111237. The reversal of 100111022111222 is 222111220111001.

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

It is a self number, because there is not a number n which added to its sum of digits gives 100111022111222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25027755527804 + ... + 25027755527807.

It is an arithmetic number, because the mean of its divisors is an integer number (37541633291709).

Almost surely, 2^{100111022111222} is an apocalyptic number.

100111022111222 is a deficient number, since it is larger than the sum of its proper divisors (50055511055614).

100111022111222 is an equidigital number, since it uses as much as digits as its factorization.

100111022111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50055511055613.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 100111022111222 its reverse (222111220111001), we get a palindrome (322222242222223).

The spelling of 100111022111222 in words is "one hundred trillion, one hundred eleven billion, twenty-two million, one hundred eleven thousand, two hundred twenty-two".