212101002010100 has 72 divisors (see below), whose sum is σ = 529160248659840. Its totient is φ = 72284892347520.

The previous prime is 212101002010097. The next prime is 212101002010111. The reversal of 212101002010100 is 1010200101212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 907073015 + ... + 907306814.

Almost surely, 2^{212101002010100} is an apocalyptic number.

212101002010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212101002010100 is an abundant number, since it is smaller than the sum of its proper divisors (317059246649740).

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

212101002010100 is a wasteful number, since it uses less digits than its factorization.

212101002010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814380017 (or 1814380010 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 212101002010100 its reverse (1010200101212), we get a palindrome (213111202111312).

The spelling of 212101002010100 in words is "two hundred twelve trillion, one hundred one billion, two million, ten thousand, one hundred".