210101039 has 2 divisors, whose sum is σ = 210101040. Its totient is φ = 210101038.

The previous prime is 210101033. The next prime is 210101041. The reversal of 210101039 is 930101012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210101039 - 2²⁰ = 209052463 is a prime.

Together with 210101041, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210101033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105050519 + 105050520.

It is an arithmetic number, because the mean of its divisors is an integer number (105050520).

Almost surely, 2^210101039 is an apocalyptic number.

210101039 is a deficient number, since it is larger than the sum of its proper divisors (1).

210101039 is an equidigital number, since it uses as much as digits as its factorization.

210101039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 210101039 is about 14494.8625036597. The cubic root of 210101039 is about 594.4875082346.

The spelling of 210101039 in words is "two hundred ten million, one hundred one thousand, thirty-nine".