1011233120089 has 2 divisors, whose sum is σ = 1011233120090. Its totient is φ = 1011233120088.

The previous prime is 1011233120069. The next prime is 1011233120129. The reversal of 1011233120089 is 9800213321101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 620691865600 + 390541254489 = 787840^2 + 624933^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011233120089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1011233120089.

It is not a weakly prime, because it can be changed into another prime (1011233120069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505616560044 + 505616560045.

It is an arithmetic number, because the mean of its divisors is an integer number (505616560045).

Almost surely, 2^{1011233120089} is an apocalyptic number.

It is an amenable number.

1011233120089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011233120089 is an equidigital number, since it uses as much as digits as its factorization.

1011233120089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 1011233120089 in words is "one trillion, eleven billion, two hundred thirty-three million, one hundred twenty thousand, eighty-nine".