100212102222222 has 16 divisors (see below), whose sum is σ = 200426068362240. Its totient is φ = 33403723421112.

The previous prime is 100212102222217. The next prime is 100212102222269. The reversal of 100212102222222 is 222222201212001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76963822 + ... + 78255057.

It is an arithmetic number, because the mean of its divisors is an integer number (12526629272640).

Almost surely, 2^{100212102222222} is an apocalyptic number.

100212102222222 is an abundant number, since it is smaller than the sum of its proper divisors (100213966140018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100212102222222 is a wasteful number, since it uses less digits than its factorization.

100212102222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155326487.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 100212102222222 its reverse (222222201212001), we get a palindrome (322434303434223).

The spelling of 100212102222222 in words is "one hundred trillion, two hundred twelve billion, one hundred two million, two hundred twenty-two thousand, two hundred twenty-two".