100211101101212 has 24 divisors (see below), whose sum is σ = 181975219316352. Its totient is φ = 48251005110000.

The previous prime is 100211101101211. The next prime is 100211101101259. The reversal of 100211101101212 is 212101101112001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100211101101211) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4102964414 + ... + 4102988837.

It is an arithmetic number, because the mean of its divisors is an integer number (7582300804848).

Almost surely, 2^{100211101101212} is an apocalyptic number.

It is an amenable number.

100211101101212 is a deficient number, since it is larger than the sum of its proper divisors (81764118215140).

100211101101212 is a wasteful number, since it uses less digits than its factorization.

100211101101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8205953369 (or 8205953367 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 100211101101212 its reverse (212101101112001), we get a palindrome (312312202213213).

The spelling of 100211101101212 in words is "one hundred trillion, two hundred eleven billion, one hundred one million, one hundred one thousand, two hundred twelve".