200121022011103 has 2 divisors, whose sum is σ = 200121022011104. Its totient is φ = 200121022011102.

The previous prime is 200121022011083. The next prime is 200121022011203. The reversal of 200121022011103 is 301110220121002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200121022011103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200121022011203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060511005551 + 100060511005552.

It is an arithmetic number, because the mean of its divisors is an integer number (100060511005552).

Almost surely, 2^{200121022011103} is an apocalyptic number.

200121022011103 is a deficient number, since it is larger than the sum of its proper divisors (1).

200121022011103 is an equidigital number, since it uses as much as digits as its factorization.

200121022011103 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 16.

Adding to 200121022011103 its reverse (301110220121002), we get a palindrome (501231242132105).

The spelling of 200121022011103 in words is "two hundred trillion, one hundred twenty-one billion, twenty-two million, eleven thousand, one hundred three".