212130110101 has 16 divisors (see below), whose sum is σ = 261672614784. Its totient is φ = 167460306624.

The previous prime is 212130110057. The next prime is 212130110113. The reversal of 212130110101 is 101011031212.

It is a happy number.

212130110101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212130110101 - 2¹⁷ = 212129979029 is a prime.

It is a super-2 number, since 2×212130110101² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212130110501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2590726 + ... + 2671351.

It is an arithmetic number, because the mean of its divisors is an integer number (16354538424).

Almost surely, 2^212130110101 is an apocalyptic number.

It is an amenable number.

212130110101 is a deficient number, since it is larger than the sum of its proper divisors (49542504683).

212130110101 is a wasteful number, since it uses less digits than its factorization.

212130110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5262540.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 212130110101 its reverse (101011031212), we get a palindrome (313141141313).

The spelling of 212130110101 in words is "two hundred twelve billion, one hundred thirty million, one hundred ten thousand, one hundred one".