2213121120011 has 2 divisors, whose sum is σ = 2213121120012. Its totient is φ = 2213121120010.

The previous prime is 2213121119999. The next prime is 2213121120013. The reversal of 2213121120011 is 1100211213122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2213121120011 is a prime.

Together with 2213121120013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2213121120013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106560560005 + 1106560560006.

It is an arithmetic number, because the mean of its divisors is an integer number (1106560560006).

Almost surely, 2^{2213121120011} is an apocalyptic number.

2213121120011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213121120011 is an equidigital number, since it uses as much as digits as its factorization.

2213121120011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2213121120011 its reverse (1100211213122), we get a palindrome (3313332333133).

The spelling of 2213121120011 in words is "two trillion, two hundred thirteen billion, one hundred twenty-one million, one hundred twenty thousand, eleven".