100120010010221 has 8 divisors (see below), whose sum is σ = 100359378510720. Its totient is φ = 99880643503872.

The previous prime is 100120010010161. The next prime is 100120010010257. The reversal of 100120010010221 is 122010010021001.

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

It is a cyclic number.

It is not a de Polignac number, because 100120010010221 - 2⁶ = 100120010010157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100120010010521) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 167919596 + ... + 168514778.

It is an arithmetic number, because the mean of its divisors is an integer number (12544922313840).

Almost surely, 2^{100120010010221} is an apocalyptic number.

It is an amenable number.

100120010010221 is a deficient number, since it is larger than the sum of its proper divisors (239368500499).

100120010010221 is an equidigital number, since it uses as much as digits as its factorization.

100120010010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997075.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100120010010221 its reverse (122010010021001), we get a palindrome (222130020031222).

The spelling of 100120010010221 in words is "one hundred trillion, one hundred twenty billion, ten million, ten thousand, two hundred twenty-one".