100221011112212 has 48 divisors (see below), whose sum is σ = 186745241914560. Its totient is φ = 46898306222592.

The previous prime is 100221011112197. The next prime is 100221011112221. The reversal of 100221011112212 is 212211110122001.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 965589383 + ... + 965693169.

It is an arithmetic number, because the mean of its divisors is an integer number (3890525873220).

Almost surely, 2^{100221011112212} is an apocalyptic number.

It is an amenable number.

100221011112212 is a deficient number, since it is larger than the sum of its proper divisors (86524230802348).

100221011112212 is a wasteful number, since it uses less digits than its factorization.

100221011112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183320 (or 183318 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 100221011112212 its reverse (212211110122001), we get a palindrome (312432121234213).

The spelling of 100221011112212 in words is "one hundred trillion, two hundred twenty-one billion, eleven million, one hundred twelve thousand, two hundred twelve".