2103331321000 has 192 divisors, whose sum is σ = 6165767396880. Its totient is φ = 665669491200.

The previous prime is 2103331320977. The next prime is 2103331321001. The reversal of 2103331321000 is 1231333012.

It can be written as a sum of positive squares in 8 ways, for example, as 51051594916 + 2052279726084 = 225946^2 + 1432578^2 .

It is not an unprimeable number, because it can be changed into a prime (2103331321001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1013967 + ... + 2287966.

Almost surely, 2^{2103331321000} is an apocalyptic number.

2103331321000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103331321000 is an abundant number, since it is smaller than the sum of its proper divisors (4062436075880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103331321000 is a wasteful number, since it uses less digits than its factorization.

2103331321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301981 (or 3301960 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 2103331321000 its reverse (1231333012), we get a palindrome (2104562654012).

The spelling of 2103331321000 in words is "two trillion, one hundred three billion, three hundred thirty-one million, three hundred twenty-one thousand".