2166222103 has 2 divisors, whose sum is σ = 2166222104. Its totient is φ = 2166222102.

The previous prime is 2166222089. The next prime is 2166222143. The reversal of 2166222103 is 3012226612.

2166222103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2166222103 - 2⁹ = 2166221591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2166222143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1083111051 + 1083111052.

It is an arithmetic number, because the mean of its divisors is an integer number (1083111052).

Almost surely, 2^2166222103 is an apocalyptic number.

2166222103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2166222103 is an equidigital number, since it uses as much as digits as its factorization.

2166222103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2166222103 is about 46542.6911877687. The cubic root of 2166222103 is about 1293.9008384175.

Adding to 2166222103 its reverse (3012226612), we get a palindrome (5178448715).

The spelling of 2166222103 in words is "two billion, one hundred sixty-six million, two hundred twenty-two thousand, one hundred three".