2221022120211 has 12 divisors (see below), whose sum is σ = 3212719595280. Its totient is φ = 1478569167600.

The previous prime is 2221022120147. The next prime is 2221022120231. The reversal of 2221022120211 is 1120212201222.

It is a happy number.

2221022120211 is a `hidden beast` number, since 2 + 2 + 210 + 221 + 20 + 211 = 666.

It is not a de Polignac number, because 2221022120211 - 2⁶ = 2221022120147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221022120231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176013831 + ... + 176026448.

It is an arithmetic number, because the mean of its divisors is an integer number (267726632940).

Almost surely, 2^{2221022120211} is an apocalyptic number.

2221022120211 is a deficient number, since it is larger than the sum of its proper divisors (991697475069).

2221022120211 is a wasteful number, since it uses less digits than its factorization.

2221022120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352040986 (or 352040983 counting only the distinct ones).

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

Adding to 2221022120211 its reverse (1120212201222), we get a palindrome (3341234321433).

The spelling of 2221022120211 in words is "two trillion, two hundred twenty-one billion, twenty-two million, one hundred twenty thousand, two hundred eleven".