10021200002101 has 4 divisors (see below), whose sum is σ = 10120419804204. Its totient is φ = 9921980200000.

The previous prime is 10021200002059. The next prime is 10021200002147. The reversal of 10021200002101 is 10120000212001.

10021200002101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 6852091522500 + 3169108479601 = 2617650^2 + 1780199^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021200002101 - 2¹⁷ = 10021199871029 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 (10021200000101) 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, 49609900900 + ... + 49609901101.

It is an arithmetic number, because the mean of its divisors is an integer number (2530104951051).

Almost surely, 2^{10021200002101} is an apocalyptic number.

It is an amenable number.

10021200002101 is a deficient number, since it is larger than the sum of its proper divisors (99219802103).

10021200002101 is an equidigital number, since it uses as much as digits as its factorization.

10021200002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99219802102.

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

Adding to 10021200002101 its reverse (10120000212001), we get a palindrome (20141200214102).

The spelling of 10021200002101 in words is "ten trillion, twenty-one billion, two hundred million, two thousand, one hundred one".