221122103 has 2 divisors, whose sum is σ = 221122104. Its totient is φ = 221122102.

The previous prime is 221122091. The next prime is 221122123. The reversal of 221122103 is 301221122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221122103 - 2⁸ = 221121847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221122123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110561051 + 110561052.

It is an arithmetic number, because the mean of its divisors is an integer number (110561052).

Almost surely, 2^221122103 is an apocalyptic number.

221122103 is a deficient number, since it is larger than the sum of its proper divisors (1).

221122103 is an equidigital number, since it uses as much as digits as its factorization.

221122103 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 14.

The square root of 221122103 is about 14870.1749485337. The cubic root of 221122103 is about 604.7056856850.

Adding to 221122103 its reverse (301221122), we get a palindrome (522343225).

The spelling of 221122103 in words is "two hundred twenty-one million, one hundred twenty-two thousand, one hundred three".