212101200021104 has 20 divisors (see below), whose sum is σ = 435119373573264. Its totient is φ = 99812329421568.

The previous prime is 212101200021089. The next prime is 212101200021157. The reversal of 212101200021104 is 401120002101212.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389891911532 + ... + 389891912075.

Almost surely, 2^{212101200021104} is an apocalyptic number.

It is an amenable number.

212101200021104 is an abundant number, since it is smaller than the sum of its proper divisors (223018173552160).

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

212101200021104 is a wasteful number, since it uses less digits than its factorization.

212101200021104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779783823632 (or 779783823626 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212101200021104 its reverse (401120002101212), we get a palindrome (613221202122316).

The spelling of 212101200021104 in words is "two hundred twelve trillion, one hundred one billion, two hundred million, twenty-one thousand, one hundred four".