10010020002100 has 18 divisors (see below), whose sum is σ = 21721743404774. Its totient is φ = 4004008000800.

The previous prime is 10010020002067. The next prime is 10010020002113. The reversal of 10010020002100 is 120002001001.

It can be written as a sum of positive squares in 3 ways, for example, as 5931772324 + 10004088229776 = 77018^2 + 3162924^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50050099911 + ... + 50050100110.

Almost surely, 2^{10010020002100} is an apocalyptic number.

10010020002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10010020002100 is an abundant number, since it is smaller than the sum of its proper divisors (11711723402674).

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

10010020002100 is a wasteful number, since it uses less digits than its factorization.

10010020002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100100200035 (or 100100200028 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 10010020002100 its reverse (120002001001), we get a palindrome (10130022003101).

The spelling of 10010020002100 in words is "ten trillion, ten billion, twenty million, two thousand, one hundred".