100021211220010 has 64 divisors (see below), whose sum is σ = 180940352614560. Its totient is φ = 39808489881600.

The previous prime is 100021211219989. The next prime is 100021211220059. The reversal of 100021211220010 is 10022112120001.

It can be written as a sum of positive squares in 16 ways, for example, as 6633668999281 + 93387542220729 = 2575591^2 + 9663723^2 .

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4958162284 + ... + 4958182456.

Almost surely, 2^{100021211220010} is an apocalyptic number.

100021211220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100021211220010 is a deficient number, since it is larger than the sum of its proper divisors (80919141394550).

100021211220010 is a wasteful number, since it uses less digits than its factorization.

100021211220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23083.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100021211220010 its reverse (10022112120001), we get a palindrome (110043323340011).

The spelling of 100021211220010 in words is "one hundred trillion, twenty-one billion, two hundred eleven million, two hundred twenty thousand, ten".