100222121211211 has 16 divisors (see below), whose sum is σ = 102050418412800. Its totient is φ = 98398159564768.

The previous prime is 100222121211193. The next prime is 100222121211319. The reversal of 100222121211211 is 112112121222001.

It is a happy number.

It is not a de Polignac number, because 100222121211211 - 2²³ = 100222112822603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100222121211811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 914472405 + ... + 914581993.

It is an arithmetic number, because the mean of its divisors is an integer number (6378151150800).

Almost surely, 2^{100222121211211} is an apocalyptic number.

100222121211211 is a deficient number, since it is larger than the sum of its proper divisors (1828297201589).

100222121211211 is a wasteful number, since it uses less digits than its factorization.

100222121211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129218.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 100222121211211 its reverse (112112121222001), we get a palindrome (212334242433212).

The spelling of 100222121211211 in words is "one hundred trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred eleven thousand, two hundred eleven".