212010220101 has 16 divisors (see below), whose sum is σ = 283404991680. Its totient is φ = 140978194560.

The previous prime is 212010220087. The next prime is 212010220127. The reversal of 212010220101 is 101022010212.

212010220101 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 212010220101 - 2¹¹ = 212010218053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010220151) 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, 2128431 + ... + 2225811.

It is an arithmetic number, because the mean of its divisors is an integer number (17712811980).

Almost surely, 2^212010220101 is an apocalyptic number.

It is an amenable number.

212010220101 is a deficient number, since it is larger than the sum of its proper divisors (71394771579).

212010220101 is a wasteful number, since it uses less digits than its factorization.

212010220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99236.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212010220101 its reverse (101022010212), we get a palindrome (313032230313).

The spelling of 212010220101 in words is "two hundred twelve billion, ten million, two hundred twenty thousand, one hundred one".