1223150317111 has 2 divisors, whose sum is σ = 1223150317112. Its totient is φ = 1223150317110.

The previous prime is 1223150317099. The next prime is 1223150317121. The reversal of 1223150317111 is 1117130513221.

It is a strong prime.

It is an emirp because it is prime and its reverse (1117130513221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1223150317111 - 2²¹ = 1223148219959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1223150317111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223150317121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611575158555 + 611575158556.

It is an arithmetic number, because the mean of its divisors is an integer number (611575158556).

Almost surely, 2^{1223150317111} is an apocalyptic number.

1223150317111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223150317111 is an equidigital number, since it uses as much as digits as its factorization.

1223150317111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 28.

The spelling of 1223150317111 in words is "one trillion, two hundred twenty-three billion, one hundred fifty million, three hundred seventeen thousand, one hundred eleven".