101000001803 has 2 divisors, whose sum is σ = 101000001804. Its totient is φ = 101000001802.

The previous prime is 101000001779. The next prime is 101000001833. The reversal of 101000001803 is 308100000101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101000001803 - 2¹⁴ = 100999985419 is a prime.

It is not a weakly prime, because it can be changed into another prime (101000001833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500000901 + 50500000902.

It is an arithmetic number, because the mean of its divisors is an integer number (50500000902).

Almost surely, 2^101000001803 is an apocalyptic number.

101000001803 is a deficient number, since it is larger than the sum of its proper divisors (1).

101000001803 is an equidigital number, since it uses as much as digits as its factorization.

101000001803 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 14.

Adding to 101000001803 its reverse (308100000101), we get a palindrome (409100001904).

The spelling of 101000001803 in words is "one hundred one billion, one thousand, eight hundred three".