100222111012222 has 4 divisors (see below), whose sum is σ = 150333166518336. Its totient is φ = 50111055506110.

The previous prime is 100222111012207. The next prime is 100222111012267. The reversal of 100222111012222 is 222210111222001.

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 100222111012222.

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, 25055527753054 + ... + 25055527753057.

It is an arithmetic number, because the mean of its divisors is an integer number (37583291629584).

Almost surely, 2^{100222111012222} is an apocalyptic number.

100222111012222 is a deficient number, since it is larger than the sum of its proper divisors (50111055506114).

100222111012222 is an equidigital number, since it uses as much as digits as its factorization.

100222111012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50111055506113.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 100222111012222 its reverse (222210111222001), we get a palindrome (322432222234223).

The spelling of 100222111012222 in words is "one hundred trillion, two hundred twenty-two billion, one hundred eleven million, twelve thousand, two hundred twenty-two".