2221123012103 has 2 divisors, whose sum is σ = 2221123012104. Its totient is φ = 2221123012102.

The previous prime is 2221123012081. The next prime is 2221123012139. The reversal of 2221123012103 is 3012103211222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221123012103 - 2⁸ = 2221123011847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221123012153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110561506051 + 1110561506052.

It is an arithmetic number, because the mean of its divisors is an integer number (1110561506052).

Almost surely, 2^{2221123012103} is an apocalyptic number.

2221123012103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221123012103 is an equidigital number, since it uses as much as digits as its factorization.

2221123012103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2221123012103 its reverse (3012103211222), we get a palindrome (5233226223325).

The spelling of 2221123012103 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-three million, twelve thousand, one hundred three".