20100101003 has 2 divisors, whose sum is σ = 20100101004. Its totient is φ = 20100101002.

The previous prime is 20100100967. The next prime is 20100101027. The reversal of 20100101003 is 30010100102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20100101003 - 2⁶ = 20100100939 is a prime.

It is not a weakly prime, because it can be changed into another prime (20100131003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050050501 + 10050050502.

It is an arithmetic number, because the mean of its divisors is an integer number (10050050502).

Almost surely, 2^20100101003 is an apocalyptic number.

20100101003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100101003 is an equidigital number, since it uses as much as digits as its factorization.

20100101003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 20100101003 its reverse (30010100102), we get a palindrome (50110201105).

Subtracting 20100101003 from its reverse (30010100102), we obtain a palindrome (9909999099).

The spelling of 20100101003 in words is "twenty billion, one hundred million, one hundred one thousand, three".