212212102101 has 8 divisors (see below), whose sum is σ = 283421841600. Its totient is φ = 141238548672.

The previous prime is 212212102099. The next prime is 212212102121. The reversal of 212212102101 is 101201212212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212212102101 - 2¹ = 212212102099 is a prime.

It is a super-2 number, since 2×212212102101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212212102121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59044420 + ... + 59048013.

It is an arithmetic number, because the mean of its divisors is an integer number (35427730200).

Almost surely, 2^212212102101 is an apocalyptic number.

It is an amenable number.

212212102101 is a deficient number, since it is larger than the sum of its proper divisors (71209739499).

212212102101 is a wasteful number, since it uses less digits than its factorization.

212212102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118093035.

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

Adding to 212212102101 its reverse (101201212212), we get a palindrome (313413314313).

The spelling of 212212102101 in words is "two hundred twelve billion, two hundred twelve million, one hundred two thousand, one hundred one".