2221212200211 has 6 divisors (see below), whose sum is σ = 3208417622540. Its totient is φ = 1480808133468.

The previous prime is 2221212200189. The next prime is 2221212200231. The reversal of 2221212200211 is 1120022121222.

It is a happy number.

2221212200211 is a `hidden beast` number, since 2 + 221 + 212 + 20 + 0 + 211 = 666.

It is not a de Polignac number, because 2221212200211 - 2¹⁹ = 2221211675923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221212200231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123400677781 + ... + 123400677798.

Almost surely, 2^{2221212200211} is an apocalyptic number.

2221212200211 is a deficient number, since it is larger than the sum of its proper divisors (987205422329).

2221212200211 is a wasteful number, since it uses less digits than its factorization.

2221212200211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246801355585 (or 246801355582 counting only the distinct ones).

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

Adding to 2221212200211 its reverse (1120022121222), we get a palindrome (3341234321433).

The spelling of 2221212200211 in words is "two trillion, two hundred twenty-one billion, two hundred twelve million, two hundred thousand, two hundred eleven".