212110012101 has 24 divisors (see below), whose sum is σ = 306271640160. Its totient is φ = 130516466496.

The previous prime is 212110012099. The next prime is 212110012123. The reversal of 212110012101 is 101210011212.

It is not a de Polignac number, because 212110012101 - 2¹ = 212110012099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212110012801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9981850 + ... + 10003076.

It is an arithmetic number, because the mean of its divisors is an integer number (12761318340).

Almost surely, 2^212110012101 is an apocalyptic number.

It is an amenable number.

212110012101 is a deficient number, since it is larger than the sum of its proper divisors (94161628059).

212110012101 is a wasteful number, since it uses less digits than its factorization.

212110012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40965 (or 40952 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212110012101 its reverse (101210011212), we get a palindrome (313320023313).

The spelling of 212110012101 in words is "two hundred twelve billion, one hundred ten million, twelve thousand, one hundred one".