1220202303211 has 2 divisors, whose sum is σ = 1220202303212. Its totient is φ = 1220202303210.

The previous prime is 1220202303193. The next prime is 1220202303217. The reversal of 1220202303211 is 1123032020221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220202303211 - 2⁷ = 1220202303083 is a prime.

It is a super-2 number, since 2×1220202303211² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1220202303217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610101151605 + 610101151606.

It is an arithmetic number, because the mean of its divisors is an integer number (610101151606).

Almost surely, 2^{1220202303211} is an apocalyptic number.

1220202303211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220202303211 is an equidigital number, since it uses as much as digits as its factorization.

1220202303211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1220202303211 its reverse (1123032020221), we get a palindrome (2343234323432).

The spelling of 1220202303211 in words is "one trillion, two hundred twenty billion, two hundred two million, three hundred three thousand, two hundred eleven".