10001001330 has 24 divisors (see below), whose sum is σ = 26002603692. Its totient is φ = 2666933664.

The previous prime is 10001001299. The next prime is 10001001341. The reversal of 10001001330 is 3310010001.

It can be written as a sum of positive squares in 2 ways, for example, as 9598316841 + 402684489 = 97971^2 + 20067^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55561029 + ... + 55561208.

Almost surely, 2^10001001330 is an apocalyptic number.

10001001330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10001001330 is an abundant number, since it is smaller than the sum of its proper divisors (16001602362).

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

10001001330 is a wasteful number, since it uses less digits than its factorization.

10001001330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111122250 (or 111122247 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

Adding to 10001001330 its reverse (3310010001), we get a palindrome (13311011331).

The spelling of 10001001330 in words is "ten billion, one million, one thousand, three hundred thirty".