212210021201101 has 16 divisors (see below), whose sum is σ = 273696758202240. Its totient is φ = 159656442281280.

The previous prime is 212210021201099. The next prime is 212210021201179. The reversal of 212210021201101 is 101102120012212.

It is not a de Polignac number, because 212210021201101 - 2¹ = 212210021201099 is a prime.

It is a super-2 number, since 2×212210021201101² (a number of 29 digits) contains 22 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 (212210021231101) 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, 47516796066 + ... + 47516800531.

It is an arithmetic number, because the mean of its divisors is an integer number (17106047387640).

Almost surely, 2^{212210021201101} is an apocalyptic number.

It is an amenable number.

212210021201101 is a deficient number, since it is larger than the sum of its proper divisors (61486737001139).

212210021201101 is a wasteful number, since it uses less digits than its factorization.

212210021201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95033596644.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212210021201101 its reverse (101102120012212), we get a palindrome (313312141213313).

The spelling of 212210021201101 in words is "two hundred twelve trillion, two hundred ten billion, twenty-one million, two hundred one thousand, one hundred one".