2112200100221 has 8 divisors (see below), whose sum is σ = 2119820381664. Its totient is φ = 2104593538320.

The previous prime is 2112200100181. The next prime is 2112200100229. The reversal of 2112200100221 is 1220010022112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112200100221 - 2²² = 2112195905917 is a prime.

It is a super-2 number, since 2×2112200100221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2112200100196 and 2112200100205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112200100229) 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, 3121370 + ... + 3737291.

It is an arithmetic number, because the mean of its divisors is an integer number (264977547708).

Almost surely, 2^{2112200100221} is an apocalyptic number.

It is an amenable number.

2112200100221 is a deficient number, since it is larger than the sum of its proper divisors (7620281443).

2112200100221 is an equidigital number, since it uses as much as digits as its factorization.

2112200100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6859771.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2112200100221 its reverse (1220010022112), we get a palindrome (3332210122333).

The spelling of 2112200100221 in words is "two trillion, one hundred twelve billion, two hundred million, one hundred thousand, two hundred twenty-one".