20201100202103 has 2 divisors, whose sum is σ = 20201100202104. Its totient is φ = 20201100202102.

The previous prime is 20201100202067. The next prime is 20201100202111. The reversal of 20201100202103 is 30120200110202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20201100202103 - 2¹⁴ = 20201100185719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20201100202903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100550101051 + 10100550101052.

It is an arithmetic number, because the mean of its divisors is an integer number (10100550101052).

Almost surely, 2^{20201100202103} is an apocalyptic number.

20201100202103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201100202103 is an equidigital number, since it uses as much as digits as its factorization.

20201100202103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20201100202103 its reverse (30120200110202), we get a palindrome (50321300312305).

The spelling of 20201100202103 in words is "twenty trillion, two hundred one billion, one hundred million, two hundred two thousand, one hundred three".