100002100021210 has 8 divisors (see below), whose sum is σ = 180003780038196. Its totient is φ = 40000840008480.

The previous prime is 100002100021183. The next prime is 100002100021283. The reversal of 100002100021210 is 12120001200001.

100002100021210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 99172100673361 + 829999347849 = 9958519^2 + 911043^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 10000210002121 = 100002100021210 / (1 + 0 + 0 + 0 + 0 + 2 + 1 + 0 + 0 + 0 + 2 + 1 + 2 + 1 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000105001051 + ... + 5000105001070.

Almost surely, 2^{100002100021210} is an apocalyptic number.

100002100021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100002100021210 is a deficient number, since it is larger than the sum of its proper divisors (80001680016986).

100002100021210 is a wasteful number, since it uses less digits than its factorization.

100002100021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000210002128.

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

Adding to 100002100021210 its reverse (12120001200001), we get a palindrome (112122101221211).

The spelling of 100002100021210 in words is "one hundred trillion, two billion, one hundred million, twenty-one thousand, two hundred ten".