1001001220010 has 32 divisors (see below), whose sum is σ = 1967441356800. Its totient is φ = 363659895360.

The previous prime is 1001001219929. The next prime is 1001001220013. The reversal of 1001001220010 is 100221001001.

It is a self number, because there is not a number n which added to its sum of digits gives 1001001220010.

It is not an unprimeable number, because it can be changed into a prime (1001001220013) 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 15 ways as a sum of consecutive naturals, for example, 4138730 + ... + 4373909.

It is an arithmetic number, because the mean of its divisors is an integer number (61482542400).

Almost surely, 2^{1001001220010} is an apocalyptic number.

1001001220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001001220010 is a deficient number, since it is larger than the sum of its proper divisors (966440136790).

1001001220010 is a wasteful number, since it uses less digits than its factorization.

1001001220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8513726.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1001001220010 its reverse (100221001001), we get a palindrome (1101222221011).

The spelling of 1001001220010 in words is "one trillion, one billion, one million, two hundred twenty thousand, ten".