1111220120303 has 2 divisors, whose sum is σ = 1111220120304. Its totient is φ = 1111220120302.

The previous prime is 1111220120287. The next prime is 1111220120369. The reversal of 1111220120303 is 3030210221111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111220120303 - 2⁴ = 1111220120287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111220123303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555610060151 + 555610060152.

It is an arithmetic number, because the mean of its divisors is an integer number (555610060152).

Almost surely, 2^{1111220120303} is an apocalyptic number.

1111220120303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111220120303 is an equidigital number, since it uses as much as digits as its factorization.

1111220120303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1111220120303 its reverse (3030210221111), we get a palindrome (4141430341414).

The spelling of 1111220120303 in words is "one trillion, one hundred eleven billion, two hundred twenty million, one hundred twenty thousand, three hundred three".