1011201011003 has 2 divisors, whose sum is σ = 1011201011004. Its totient is φ = 1011201011002.

The previous prime is 1011201010993. The next prime is 1011201011039. The reversal of 1011201011003 is 3001101021101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011201011003 - 2³² = 1006906043707 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011201011053) 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, 505600505501 + 505600505502.

It is an arithmetic number, because the mean of its divisors is an integer number (505600505502).

Almost surely, 2^{1011201011003} is an apocalyptic number.

1011201011003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011201011003 is an equidigital number, since it uses as much as digits as its factorization.

1011201011003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 1011201011003 its reverse (3001101021101), we get a palindrome (4012302032104).

The spelling of 1011201011003 in words is "one trillion, eleven billion, two hundred one million, eleven thousand, three".