1213011110303 has 2 divisors, whose sum is σ = 1213011110304. Its totient is φ = 1213011110302.

The previous prime is 1213011110281. The next prime is 1213011110341. The reversal of 1213011110303 is 3030111103121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213011110303 - 2⁶ = 1213011110239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213011140303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606505555151 + 606505555152.

It is an arithmetic number, because the mean of its divisors is an integer number (606505555152).

Almost surely, 2^{1213011110303} is an apocalyptic number.

1213011110303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213011110303 is an equidigital number, since it uses as much as digits as its factorization.

1213011110303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1213011110303 its reverse (3030111103121), we get a palindrome (4243122213424).

The spelling of 1213011110303 in words is "one trillion, two hundred thirteen billion, eleven million, one hundred ten thousand, three hundred three".