212110000101 has 24 divisors (see below), whose sum is σ = 307176105600. Its totient is φ = 141039931200.

The previous prime is 212110000097. The next prime is 212110000103. The reversal of 212110000101 is 101000011212.

It is a happy number.

It is not a de Polignac number, because 212110000101 - 2² = 212110000097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212110000103) 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, 24429481 + ... + 24438161.

It is an arithmetic number, because the mean of its divisors is an integer number (12799004400).

Almost surely, 2^212110000101 is an apocalyptic number.

It is an amenable number.

212110000101 is a deficient number, since it is larger than the sum of its proper divisors (95066105499).

212110000101 is a wasteful number, since it uses less digits than its factorization.

212110000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15417 (or 15414 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 212110000101 its reverse (101000011212), we get a palindrome (313110011313).

The spelling of 212110000101 in words is "two hundred twelve billion, one hundred ten million, one hundred one", and thus it is an aban number.