2120201220211 has 2 divisors, whose sum is σ = 2120201220212. Its totient is φ = 2120201220210.

The previous prime is 2120201220139. The next prime is 2120201220217. The reversal of 2120201220211 is 1120221020212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120201220211 - 2⁹ = 2120201219699 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120201220217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060100610105 + 1060100610106.

It is an arithmetic number, because the mean of its divisors is an integer number (1060100610106).

Almost surely, 2^{2120201220211} is an apocalyptic number.

2120201220211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120201220211 is an equidigital number, since it uses as much as digits as its factorization.

2120201220211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2120201220211 its reverse (1120221020212), we get a palindrome (3240422240423).

The spelling of 2120201220211 in words is "two trillion, one hundred twenty billion, two hundred one million, two hundred twenty thousand, two hundred eleven".