1220302210111 has 2 divisors, whose sum is σ = 1220302210112. Its totient is φ = 1220302210110.

The previous prime is 1220302210103. The next prime is 1220302210151. The reversal of 1220302210111 is 1110122030221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220302210111 - 2³ = 1220302210103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220302210151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610151105055 + 610151105056.

It is an arithmetic number, because the mean of its divisors is an integer number (610151105056).

Almost surely, 2^{1220302210111} is an apocalyptic number.

1220302210111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220302210111 is an equidigital number, since it uses as much as digits as its factorization.

1220302210111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1220302210111 its reverse (1110122030221), we get a palindrome (2330424240332).

The spelling of 1220302210111 in words is "one trillion, two hundred twenty billion, three hundred two million, two hundred ten thousand, one hundred eleven".