10210020002101 has 2 divisors, whose sum is σ = 10210020002102. Its totient is φ = 10210020002100.

The previous prime is 10210020002093. The next prime is 10210020002263. The reversal of 10210020002101 is 10120002001201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8966012148900 + 1244007853201 = 2994330^2 + 1115351^2 .

It is a cyclic number.

It is not a de Polignac number, because 10210020002101 - 2³ = 10210020002093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10210020006101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105010001050 + 5105010001051.

It is an arithmetic number, because the mean of its divisors is an integer number (5105010001051).

Almost surely, 2^{10210020002101} is an apocalyptic number.

It is an amenable number.

10210020002101 is a deficient number, since it is larger than the sum of its proper divisors (1).

10210020002101 is an equidigital number, since it uses as much as digits as its factorization.

10210020002101 is an evil number, because the sum of its binary digits is even.

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

Adding to 10210020002101 its reverse (10120002001201), we get a palindrome (20330022003302).

Subtracting from 10210020002101 its reverse (10120002001201), we obtain a square (90018000900 = 300030²).

The spelling of 10210020002101 in words is "ten trillion, two hundred ten billion, twenty million, two thousand, one hundred one".