212010220102101 has 16 divisors (see below), whose sum is σ = 282808353010560. Its totient is φ = 141276129825600.

The previous prime is 212010220102081. The next prime is 212010220102199. The reversal of 212010220102101 is 101201022010212.

It is not a de Polignac number, because 212010220102101 - 2²² = 212010215907797 is a prime.

It is a super-2 number, since 2×212010220102101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010220102001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64539451 + ... + 67744823.

It is an arithmetic number, because the mean of its divisors is an integer number (17675522063160).

Almost surely, 2^{212010220102101} is an apocalyptic number.

It is an amenable number.

212010220102101 is a deficient number, since it is larger than the sum of its proper divisors (70798132908459).

212010220102101 is a wasteful number, since it uses less digits than its factorization.

212010220102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215356.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212010220102101 its reverse (101201022010212), we get a palindrome (313211242112313).

The spelling of 212010220102101 in words is "two hundred twelve trillion, ten billion, two hundred twenty million, one hundred two thousand, one hundred one".