100100222211212 has 12 divisors (see below), whose sum is σ = 175431868213896. Its totient is φ = 49976831292960.

The previous prime is 100100222211127. The next prime is 100100222211251. The reversal of 100100222211212 is 212112222001001.

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 in 3 ways as a sum of consecutive naturals, for example, 18319950089 + ... + 18319955552.

It is an arithmetic number, because the mean of its divisors is an integer number (14619322351158).

Almost surely, 2^{100100222211212} is an apocalyptic number.

It is an amenable number.

100100222211212 is a deficient number, since it is larger than the sum of its proper divisors (75331646002684).

100100222211212 is a wasteful number, since it uses less digits than its factorization.

100100222211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36639906328 (or 36639906326 counting only the distinct ones).

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

Adding to 100100222211212 its reverse (212112222001001), we get a palindrome (312212444212213).

The spelling of 100100222211212 in words is "one hundred trillion, one hundred billion, two hundred twenty-two million, two hundred eleven thousand, two hundred twelve".