210211000010101 has 2 divisors, whose sum is σ = 210211000010102. Its totient is φ = 210211000010100.

The previous prime is 210211000010083. The next prime is 210211000010113. The reversal of 210211000010101 is 101010000112012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207145524287601 + 3065475722500 = 14392551^2 + 1750850^2 .

It is a cyclic number.

It is not a de Polignac number, because 210211000010101 - 2⁹ = 210211000009589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210211000010131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105105500005050 + 105105500005051.

It is an arithmetic number, because the mean of its divisors is an integer number (105105500005051).

Almost surely, 2^{210211000010101} is an apocalyptic number.

It is an amenable number.

210211000010101 is a deficient number, since it is larger than the sum of its proper divisors (1).

210211000010101 is an equidigital number, since it uses as much as digits as its factorization.

210211000010101 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 210211000010101 its reverse (101010000112012), we get a palindrome (311221000122113).

The spelling of 210211000010101 in words is "two hundred ten trillion, two hundred eleven billion, ten thousand, one hundred one".