100100221211222 has 32 divisors (see below), whose sum is σ = 151058001600000. Its totient is φ = 49748323526496.

The previous prime is 100100221211173. The next prime is 100100221211239. The reversal of 100100221211222 is 222112122001001.

It is a self number, because there is not a number n which added to its sum of digits gives 100100221211222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1231219529 + ... + 1231300827.

It is an arithmetic number, because the mean of its divisors is an integer number (4720562550000).

Almost surely, 2^{100100221211222} is an apocalyptic number.

100100221211222 is a deficient number, since it is larger than the sum of its proper divisors (50957780388778).

100100221211222 is a wasteful number, since it uses less digits than its factorization.

100100221211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85988.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100100221211222 its reverse (222112122001001), we get a palindrome (322212343212223).

The spelling of 100100221211222 in words is "one hundred trillion, one hundred billion, two hundred twenty-one million, two hundred eleven thousand, two hundred twenty-two".