1303220222111 has 2 divisors, whose sum is σ = 1303220222112. Its totient is φ = 1303220222110.

The previous prime is 1303220222107. The next prime is 1303220222131. The reversal of 1303220222111 is 1112220223031.

It is an a-pointer prime, because the next prime (1303220222131) can be obtained adding 1303220222111 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1303220222111 - 2² = 1303220222107 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303220222131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651610111055 + 651610111056.

It is an arithmetic number, because the mean of its divisors is an integer number (651610111056).

Almost surely, 2^{1303220222111} is an apocalyptic number.

1303220222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303220222111 is an equidigital number, since it uses as much as digits as its factorization.

1303220222111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1303220222111 its reverse (1112220223031), we get a palindrome (2415440445142).

The spelling of 1303220222111 in words is "one trillion, three hundred three billion, two hundred twenty million, two hundred twenty-two thousand, one hundred eleven".