1121000203303 has 8 divisors (see below), whose sum is σ = 1123498663056. Its totient is φ = 1118502033600.

The previous prime is 1121000203283. The next prime is 1121000203307. The reversal of 1121000203303 is 3033020001211.

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 1121000203303 - 2³⁷ = 983561249831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121000203307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8896048 + ... + 9021178.

It is an arithmetic number, because the mean of its divisors is an integer number (140437332882).

Almost surely, 2^{1121000203303} is an apocalyptic number.

1121000203303 is a deficient number, since it is larger than the sum of its proper divisors (2498459753).

1121000203303 is a wasteful number, since it uses less digits than its factorization.

1121000203303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145025.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1121000203303 its reverse (3033020001211), we get a palindrome (4154020204514).

The spelling of 1121000203303 in words is "one trillion, one hundred twenty-one billion, two hundred three thousand, three hundred three".