100222211100212 has 6 divisors (see below), whose sum is σ = 175388869425378. Its totient is φ = 50111105550104.

The previous prime is 100222211100149. The next prime is 100222211100227. The reversal of 100222211100212 is 212001112222001.

It can be written as a sum of positive squares in only one way, i.e., 95385616101136 + 4836594999076 = 9766556^2 + 2199226^2 .

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, 12527776387523 + ... + 12527776387530.

It is an arithmetic number, because the mean of its divisors is an integer number (29231478237563).

Almost surely, 2^{100222211100212} is an apocalyptic number.

It is an amenable number.

100222211100212 is a deficient number, since it is larger than the sum of its proper divisors (75166658325166).

100222211100212 is a wasteful number, since it uses less digits than its factorization.

100222211100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25055552775057 (or 25055552775055 counting only the distinct ones).

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

Adding to 100222211100212 its reverse (212001112222001), we get a palindrome (312223323322213).

The spelling of 100222211100212 in words is "one hundred trillion, two hundred twenty-two billion, two hundred eleven million, one hundred thousand, two hundred twelve".