10205400103 has 2 divisors, whose sum is σ = 10205400104. Its totient is φ = 10205400102.

The previous prime is 10205400091. The next prime is 10205400109. The reversal of 10205400103 is 30100450201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10205400103 - 2⁵ = 10205400071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10205400109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5102700051 + 5102700052.

It is an arithmetic number, because the mean of its divisors is an integer number (5102700052).

Almost surely, 2^10205400103 is an apocalyptic number.

10205400103 is a deficient number, since it is larger than the sum of its proper divisors (1).

10205400103 is an equidigital number, since it uses as much as digits as its factorization.

10205400103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 10205400103 its reverse (30100450201), we get a palindrome (40305850304).

The spelling of 10205400103 in words is "ten billion, two hundred five million, four hundred thousand, one hundred three".