2221200212211 has 12 divisors (see below), whose sum is σ = 3208453780480. Its totient is φ = 1480775461200.

The previous prime is 2221200212167. The next prime is 2221200212261. The reversal of 2221200212211 is 1122120021222.

It is a happy number.

2221200212211 is a `hidden beast` number, since 2 + 221 + 20 + 0 + 212 + 211 = 666.

It is not a de Polignac number, because 2221200212211 - 2¹³ = 2221200204019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221200212261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1478131 + ... + 2574348.

Almost surely, 2^{2221200212211} is an apocalyptic number.

2221200212211 is a deficient number, since it is larger than the sum of its proper divisors (987253568269).

2221200212211 is a wasteful number, since it uses less digits than its factorization.

2221200212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113386 (or 4113383 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2221200212211 its reverse (1122120021222), we get a palindrome (3343320233433).

It can be divided in two parts, 222120021221 and 1, that added together give a palindrome (222120021222).

The spelling of 2221200212211 in words is "two trillion, two hundred twenty-one billion, two hundred million, two hundred twelve thousand, two hundred eleven".