20211313122103 has 2 divisors, whose sum is σ = 20211313122104. Its totient is φ = 20211313122102.

The previous prime is 20211313122043. The next prime is 20211313122131. The reversal of 20211313122103 is 30122131311202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20211313122103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20211313122173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105656561051 + 10105656561052.

It is an arithmetic number, because the mean of its divisors is an integer number (10105656561052).

Almost surely, 2^{20211313122103} is an apocalyptic number.

20211313122103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211313122103 is an equidigital number, since it uses as much as digits as its factorization.

20211313122103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20211313122103 its reverse (30122131311202), we get a palindrome (50333444433305).

The spelling of 20211313122103 in words is "twenty trillion, two hundred eleven billion, three hundred thirteen million, one hundred twenty-two thousand, one hundred three".