210101100229 has 2 divisors, whose sum is σ = 210101100230. Its totient is φ = 210101100228.

The previous prime is 210101100203. The next prime is 210101100299. The reversal of 210101100229 is 922001101012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147099096225 + 63002004004 = 383535^2 + 251002^2 .

It is a cyclic number.

It is not a de Polignac number, because 210101100229 - 2⁵ = 210101100197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210101100299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105050550114 + 105050550115.

It is an arithmetic number, because the mean of its divisors is an integer number (105050550115).

Almost surely, 2^210101100229 is an apocalyptic number.

It is an amenable number.

210101100229 is a deficient number, since it is larger than the sum of its proper divisors (1).

210101100229 is an equidigital number, since it uses as much as digits as its factorization.

210101100229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 210101100229 in words is "two hundred ten billion, one hundred one million, one hundred thousand, two hundred twenty-nine".