2120221201211 has 2 divisors, whose sum is σ = 2120221201212. Its totient is φ = 2120221201210.

The previous prime is 2120221201199. The next prime is 2120221201223. The reversal of 2120221201211 is 1121021220212.

It is a balanced prime because it is at equal distance from previous prime (2120221201199) and next prime (2120221201223).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120221201211 is a prime.

It is a super-3 number, since 3×2120221201211³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2120221201211.

It is not a weakly prime, because it can be changed into another prime (2120221201291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060110600605 + 1060110600606.

It is an arithmetic number, because the mean of its divisors is an integer number (1060110600606).

Almost surely, 2^{2120221201211} is an apocalyptic number.

2120221201211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120221201211 is an equidigital number, since it uses as much as digits as its factorization.

2120221201211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2120221201211 its reverse (1121021220212), we get a palindrome (3241242421423).

The spelling of 2120221201211 in words is "two trillion, one hundred twenty billion, two hundred twenty-one million, two hundred one thousand, two hundred eleven".