100021001202010 has 24 divisors (see below), whose sum is σ = 209431729048500. Its totient is φ = 34292914697664.

The previous prime is 100021001201959. The next prime is 100021001202053. The reversal of 100021001202010 is 10202100120001.

It can be written as a sum of positive squares in 2 ways, for example, as 99192098387529 + 828902814481 = 9959523^2 + 910441^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102062245635 + ... + 102062246614.

Almost surely, 2^{100021001202010} is an apocalyptic number.

100021001202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100021001202010 is an abundant number, since it is smaller than the sum of its proper divisors (109410727846490).

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

100021001202010 is a wasteful number, since it uses less digits than its factorization.

100021001202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204124492270 (or 204124492263 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100021001202010 its reverse (10202100120001), we get a palindrome (110223101322011).

The spelling of 100021001202010 in words is "one hundred trillion, twenty-one billion, one million, two hundred two thousand, ten".