210101310019 has 2 divisors, whose sum is σ = 210101310020. Its totient is φ = 210101310018.

The previous prime is 210101310017. The next prime is 210101310109. The reversal of 210101310019 is 910013101012.

Together with next prime (210101310109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210101310019 - 2¹ = 210101310017 is a prime.

It is a super-2 number, since 2×210101310019² (a number of 23 digits) contains 22 as substring.

Together with 210101310017, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 210101309978 and 210101310005.

It is not a weakly prime, because it can be changed into another prime (210101310017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105050655009 + 105050655010.

It is an arithmetic number, because the mean of its divisors is an integer number (105050655010).

Almost surely, 2^210101310019 is an apocalyptic number.

210101310019 is a deficient number, since it is larger than the sum of its proper divisors (1).

210101310019 is an equidigital number, since it uses as much as digits as its factorization.

210101310019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 19.

The spelling of 210101310019 in words is "two hundred ten billion, one hundred one million, three hundred ten thousand, nineteen".