100212311010221 has 8 divisors (see below), whose sum is σ = 101420206030080. Its totient is φ = 99004428318592.

The previous prime is 100212311010209. The next prime is 100212311010239. The reversal of 100212311010221 is 122010113212001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100212311010221 - 2³⁰ = 100211237268397 is a prime.

It is a super-2 number, since 2×100212311010221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100212311010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212311010121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13829156 + ... + 19790658.

It is an arithmetic number, because the mean of its divisors is an integer number (12677525753760).

Almost surely, 2^{100212311010221} is an apocalyptic number.

It is an amenable number.

100212311010221 is a deficient number, since it is larger than the sum of its proper divisors (1207895019859).

100212311010221 is an equidigital number, since it uses as much as digits as its factorization.

100212311010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6164115.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 100212311010221 its reverse (122010113212001), we get a palindrome (222222424222222).

The spelling of 100212311010221 in words is "one hundred trillion, two hundred twelve billion, three hundred eleven million, ten thousand, two hundred twenty-one".