810210101012003 has 2 divisors, whose sum is σ = 810210101012004. Its totient is φ = 810210101012002.

The previous prime is 810210101011999. The next prime is 810210101012021. The reversal of 810210101012003 is 300210101012018.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 810210101012003 - 2² = 810210101011999 is a prime.

It is not a weakly prime, because it can be changed into another prime (810210101012033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405105050506001 + 405105050506002.

It is an arithmetic number, because the mean of its divisors is an integer number (405105050506002).

Almost surely, 2^{810210101012003} is an apocalyptic number.

810210101012003 is a deficient number, since it is larger than the sum of its proper divisors (1).

810210101012003 is an equidigital number, since it uses as much as digits as its factorization.

810210101012003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 20.

The spelling of 810210101012003 in words is "eight hundred ten trillion, two hundred ten billion, one hundred one million, twelve thousand, three".