212001202102101 has 8 divisors (see below), whose sum is σ = 282668466823680. Its totient is φ = 141334036057632.

The previous prime is 212001202102099. The next prime is 212001202102103. The reversal of 212001202102101 is 101201202100212.

It is an interprime number because it is at equal distance from previous prime (212001202102099) and next prime (212001202102103).

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

It is not a de Polignac number, because 212001202102101 - 2¹ = 212001202102099 is a prime.

It is a super-2 number, since 2×212001202102101² (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 (212001202102103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19501621 + ... + 28360458.

It is an arithmetic number, because the mean of its divisors is an integer number (35333558352960).

Almost surely, 2^{212001202102101} is an apocalyptic number.

It is an amenable number.

212001202102101 is a deficient number, since it is larger than the sum of its proper divisors (70667264721579).

212001202102101 is a wasteful number, since it uses less digits than its factorization.

212001202102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49338555.

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

Adding to 212001202102101 its reverse (101201202100212), we get a palindrome (313202404202313).

The spelling of 212001202102101 in words is "two hundred twelve trillion, one billion, two hundred two million, one hundred two thousand, one hundred one".