211202202122101 has 16 divisors (see below), whose sum is σ = 212454797901120. Its totient is φ = 209953598162560.

The previous prime is 211202202122099. The next prime is 211202202122161. The reversal of 211202202122101 is 101221202202112.

211202202122101 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 211202202122101 - 2¹ = 211202202122099 is a prime.

It is a super-4 number, since 4×211202202122101⁴ (a number of 58 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211202202122161) 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, 269978346 + ... + 270759508.

It is an arithmetic number, because the mean of its divisors is an integer number (13278424868820).

Almost surely, 2^{211202202122101} is an apocalyptic number.

It is an amenable number.

211202202122101 is a deficient number, since it is larger than the sum of its proper divisors (1252595779019).

211202202122101 is a wasteful number, since it uses less digits than its factorization.

211202202122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783716.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211202202122101 its reverse (101221202202112), we get a palindrome (312423404324213).

The spelling of 211202202122101 in words is "two hundred eleven trillion, two hundred two billion, two hundred two million, one hundred twenty-two thousand, one hundred one".