202023105421103 has 2 divisors, whose sum is σ = 202023105421104. Its totient is φ = 202023105421102.

The previous prime is 202023105421057. The next prime is 202023105421171. The reversal of 202023105421103 is 301124501320202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202023105421103 - 2⁴⁴ = 184430919376687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202023905421103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101011552710551 + 101011552710552.

It is an arithmetic number, because the mean of its divisors is an integer number (101011552710552).

Almost surely, 2^{202023105421103} is an apocalyptic number.

202023105421103 is a deficient number, since it is larger than the sum of its proper divisors (1).

202023105421103 is an equidigital number, since it uses as much as digits as its factorization.

202023105421103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 202023105421103 its reverse (301124501320202), we get a palindrome (503147606741305).

The spelling of 202023105421103 in words is "two hundred two trillion, twenty-three billion, one hundred five million, four hundred twenty-one thousand, one hundred three".