101010100011803 has 2 divisors, whose sum is σ = 101010100011804. Its totient is φ = 101010100011802.

The previous prime is 101010100011787. The next prime is 101010100011893. The reversal of 101010100011803 is 308110001010101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101010100011803 - 2⁴ = 101010100011787 is a prime.

It is not a weakly prime, because it can be changed into another prime (101010100011893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505050005901 + 50505050005902.

It is an arithmetic number, because the mean of its divisors is an integer number (50505050005902).

Almost surely, 2^{101010100011803} is an apocalyptic number.

101010100011803 is a deficient number, since it is larger than the sum of its proper divisors (1).

101010100011803 is an equidigital number, since it uses as much as digits as its factorization.

101010100011803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 101010100011803 its reverse (308110001010101), we get a palindrome (409120101021904).

The spelling of 101010100011803 in words is "one hundred one trillion, ten billion, one hundred million, eleven thousand, eight hundred three".