100330210021 has 4 divisors (see below), whose sum is σ = 100388918700. Its totient is φ = 100271501344.

The previous prime is 100330209961. The next prime is 100330210031. The reversal of 100330210021 is 120012033001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36429448225 + 63900761796 = 190865^2 + 252786^2 .

It is a cyclic number.

It is not a de Polignac number, because 100330210021 - 2¹¹ = 100330207973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100330209983 and 100330210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100330210031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29351776 + ... + 29355193.

It is an arithmetic number, because the mean of its divisors is an integer number (25097229675).

Almost surely, 2^100330210021 is an apocalyptic number.

It is an amenable number.

100330210021 is a deficient number, since it is larger than the sum of its proper divisors (58708679).

100330210021 is an equidigital number, since it uses as much as digits as its factorization.

100330210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58708678.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 100330210021 its reverse (120012033001), we get a palindrome (220342243022).

The spelling of 100330210021 in words is "one hundred billion, three hundred thirty million, two hundred ten thousand, twenty-one".