2220202021211 has 2 divisors, whose sum is σ = 2220202021212. Its totient is φ = 2220202021210.

The previous prime is 2220202021199. The next prime is 2220202021217. The reversal of 2220202021211 is 1121202020222.

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-2220202021211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2220202021211.

It is not a weakly prime, because it can be changed into another prime (2220202021217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110101010605 + 1110101010606.

It is an arithmetic number, because the mean of its divisors is an integer number (1110101010606).

Almost surely, 2^{2220202021211} is an apocalyptic number.

2220202021211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220202021211 is an equidigital number, since it uses as much as digits as its factorization.

2220202021211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2220202021211 its reverse (1121202020222), we get a palindrome (3341404041433).

The spelling of 2220202021211 in words is "two trillion, two hundred twenty billion, two hundred two million, twenty-one thousand, two hundred eleven".