10100120020021 has 8 divisors (see below), whose sum is σ = 10145540916224. Its totient is φ = 10054700274960.

The previous prime is 10100120019967. The next prime is 10100120020031. The reversal of 10100120020021 is 12002002100101.

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 10100120020021 - 2¹⁷ = 10100119888949 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 (10100120020031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20747476 + ... + 21228706.

It is an arithmetic number, because the mean of its divisors is an integer number (1268192614528).

Almost surely, 2^{10100120020021} is an apocalyptic number.

It is an amenable number.

10100120020021 is a deficient number, since it is larger than the sum of its proper divisors (45420896203).

10100120020021 is an equidigital number, since it uses as much as digits as its factorization.

10100120020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575571.

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

Adding to 10100120020021 its reverse (12002002100101), we get a palindrome (22102122120122).

The spelling of 10100120020021 in words is "ten trillion, one hundred billion, one hundred twenty million, twenty thousand, twenty-one".