210010001210101 has 2 divisors, whose sum is σ = 210010001210102. Its totient is φ = 210010001210100.

The previous prime is 210010001210041. The next prime is 210010001210129. The reversal of 210010001210101 is 101012100010012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202567329738225 + 7442671471876 = 14232615^2 + 2728126^2 .

It is a cyclic number.

It is not a de Polignac number, because 210010001210101 - 2¹¹ = 210010001208053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210010001210501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105005000605050 + 105005000605051.

It is an arithmetic number, because the mean of its divisors is an integer number (105005000605051).

Almost surely, 2^{210010001210101} is an apocalyptic number.

It is an amenable number.

210010001210101 is a deficient number, since it is larger than the sum of its proper divisors (1).

210010001210101 is an equidigital number, since it uses as much as digits as its factorization.

210010001210101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 210010001210101 its reverse (101012100010012), we get a palindrome (311022101220113).

The spelling of 210010001210101 in words is "two hundred ten trillion, ten billion, one million, two hundred ten thousand, one hundred one".