2213112012221 has 8 divisors (see below), whose sum is σ = 2438208014688. Its totient is φ = 1992000010000.

The previous prime is 2213112012151. The next prime is 2213112012239. The reversal of 2213112012221 is 1222102113122.

2213112012221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2213112012221 - 2¹⁸ = 2213111750077 is a prime.

It is a super-3 number, since 3×2213112012221³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2213112012193 and 2213112012202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213112012271) 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, 995998895 + ... + 996001116.

It is an arithmetic number, because the mean of its divisors is an integer number (304776001836).

Almost surely, 2^{2213112012221} is an apocalyptic number.

It is an amenable number.

2213112012221 is a deficient number, since it is larger than the sum of its proper divisors (225096002467).

2213112012221 is a wasteful number, since it uses less digits than its factorization.

2213112012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992000123.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2213112012221 its reverse (1222102113122), we get a palindrome (3435214125343).

The spelling of 2213112012221 in words is "two trillion, two hundred thirteen billion, one hundred twelve million, twelve thousand, two hundred twenty-one".