10200102101021 has 8 divisors (see below), whose sum is σ = 11662397182080. Its totient is φ = 8739091429488.

The previous prime is 10200102101017. The next prime is 10200102101023. The reversal of 10200102101021 is 12010120100201.

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

It is not a de Polignac number, because 10200102101021 - 2² = 10200102101017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10200102100993 and 10200102101011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200102101023) 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, 321085361 + ... + 321117126.

It is an arithmetic number, because the mean of its divisors is an integer number (1457799647760).

Almost surely, 2^{10200102101021} is an apocalyptic number.

It is an amenable number.

10200102101021 is a deficient number, since it is larger than the sum of its proper divisors (1462295081059).

10200102101021 is an equidigital number, since it uses as much as digits as its factorization.

10200102101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642204763.

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

Adding to 10200102101021 its reverse (12010120100201), we get a palindrome (22210222201222).

The spelling of 10200102101021 in words is "ten trillion, two hundred billion, one hundred two million, one hundred one thousand, twenty-one".