1222103511389 has 2 divisors, whose sum is σ = 1222103511390. Its totient is φ = 1222103511388.

The previous prime is 1222103511311. The next prime is 1222103511401. The reversal of 1222103511389 is 9831153012221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1115463384025 + 106640127364 = 1056155^2 + 326558^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222103511389 - 2¹⁶ = 1222103445853 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222103511289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611051755694 + 611051755695.

It is an arithmetic number, because the mean of its divisors is an integer number (611051755695).

Almost surely, 2^{1222103511389} is an apocalyptic number.

It is an amenable number.

1222103511389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222103511389 is an equidigital number, since it uses as much as digits as its factorization.

1222103511389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 1222103511389 in words is "one trillion, two hundred twenty-two billion, one hundred three million, five hundred eleven thousand, three hundred eighty-nine".