200103103112221 has 2 divisors, whose sum is σ = 200103103112222. Its totient is φ = 200103103112220.

The previous prime is 200103103112179. The next prime is 200103103112239. The reversal of 200103103112221 is 122211301301002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135994080722500 + 64109022389721 = 11661650^2 + 8006811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200103103112221 is a prime.

It is a super-2 number, since 2×200103103112221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200103103172221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100051551556110 + 100051551556111.

It is an arithmetic number, because the mean of its divisors is an integer number (100051551556111).

Almost surely, 2^{200103103112221} is an apocalyptic number.

It is an amenable number.

200103103112221 is a deficient number, since it is larger than the sum of its proper divisors (1).

200103103112221 is an equidigital number, since it uses as much as digits as its factorization.

200103103112221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 200103103112221 its reverse (122211301301002), we get a palindrome (322314404413223).

The spelling of 200103103112221 in words is "two hundred trillion, one hundred three billion, one hundred three million, one hundred twelve thousand, two hundred twenty-one".