102001001010203 has 2 divisors, whose sum is σ = 102001001010204. Its totient is φ = 102001001010202.

The previous prime is 102001001010179. The next prime is 102001001010221. The reversal of 102001001010203 is 302010100100201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102001001010203 - 2³⁴ = 101983821141019 is a prime.

It is not a weakly prime, because it can be changed into another prime (102001001010283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000500505101 + 51000500505102.

It is an arithmetic number, because the mean of its divisors is an integer number (51000500505102).

Almost surely, 2^{102001001010203} is an apocalyptic number.

102001001010203 is a deficient number, since it is larger than the sum of its proper divisors (1).

102001001010203 is an equidigital number, since it uses as much as digits as its factorization.

102001001010203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 102001001010203 its reverse (302010100100201), we get a palindrome (404011101110404).

The spelling of 102001001010203 in words is "one hundred two trillion, one billion, one million, ten thousand, two hundred three".