11221212220103 has 2 divisors, whose sum is σ = 11221212220104. Its totient is φ = 11221212220102.

The previous prime is 11221212220069. The next prime is 11221212220121. The reversal of 11221212220103 is 30102221212211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11221212220103 - 2³⁰ = 11220138478279 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221212220133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610606110051 + 5610606110052.

It is an arithmetic number, because the mean of its divisors is an integer number (5610606110052).

Almost surely, 2^{11221212220103} is an apocalyptic number.

11221212220103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221212220103 is an equidigital number, since it uses as much as digits as its factorization.

11221212220103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11221212220103 its reverse (30102221212211), we get a palindrome (41323433432314).

The spelling of 11221212220103 in words is "eleven trillion, two hundred twenty-one billion, two hundred twelve million, two hundred twenty thousand, one hundred three".