1011201000203 has 8 divisors (see below), whose sum is σ = 1047430322400. Its totient is φ = 975062366208.

The previous prime is 1011201000169. The next prime is 1011201000269. The reversal of 1011201000203 is 3020001021101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011201000203 - 2³² = 1006906032907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011201000283) 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 in 7 ways as a sum of consecutive naturals, for example, 22649351 + ... + 22693952.

It is an arithmetic number, because the mean of its divisors is an integer number (130928790300).

Almost surely, 2^{1011201000203} is an apocalyptic number.

1011201000203 is a deficient number, since it is larger than the sum of its proper divisors (36229322197).

1011201000203 is an equidigital number, since it uses as much as digits as its factorization.

1011201000203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45344101.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1011201000203 its reverse (3020001021101), we get a palindrome (4031202021304).

The spelling of 1011201000203 in words is "one trillion, eleven billion, two hundred one million, two hundred three", and thus it is an aban number.