1011201200203 has 2 divisors, whose sum is σ = 1011201200204. Its totient is φ = 1011201200202.

The previous prime is 1011201200099. The next prime is 1011201200227. The reversal of 1011201200203 is 3020021021101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1011201200203 - 2²⁵ = 1011167645771 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011201200293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505600600101 + 505600600102.

It is an arithmetic number, because the mean of its divisors is an integer number (505600600102).

Almost surely, 2^{1011201200203} is an apocalyptic number.

1011201200203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011201200203 is an equidigital number, since it uses as much as digits as its factorization.

1011201200203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1011201200203 its reverse (3020021021101), we get a palindrome (4031222221304).

The spelling of 1011201200203 in words is "one trillion, eleven billion, two hundred one million, two hundred thousand, two hundred three".