221122222103 has 2 divisors, whose sum is σ = 221122222104. Its totient is φ = 221122222102.

The previous prime is 221122222081. The next prime is 221122222151. The reversal of 221122222103 is 301222221122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221122222103 - 2²⁰ = 221121173527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221122222193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110561111051 + 110561111052.

It is an arithmetic number, because the mean of its divisors is an integer number (110561111052).

Almost surely, 2^221122222103 is an apocalyptic number.

221122222103 is a deficient number, since it is larger than the sum of its proper divisors (1).

221122222103 is an equidigital number, since it uses as much as digits as its factorization.

221122222103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 221122222103 its reverse (301222221122), we get a palindrome (522344443225).

The spelling of 221122222103 in words is "two hundred twenty-one billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred three".