2221131303103 has 16 divisors (see below), whose sum is σ = 2246368165056. Its totient is φ = 2195998801920.

The previous prime is 2221131303067. The next prime is 2221131303121. The reversal of 2221131303103 is 3013031311222.

It is a cyclic number.

It is not a de Polignac number, because 2221131303103 - 2⁹ = 2221131302591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221131303133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82198851 + ... + 82225867.

It is an arithmetic number, because the mean of its divisors is an integer number (140398010316).

Almost surely, 2^{2221131303103} is an apocalyptic number.

2221131303103 is a deficient number, since it is larger than the sum of its proper divisors (25236861953).

2221131303103 is a wasteful number, since it uses less digits than its factorization.

2221131303103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28914.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2221131303103 its reverse (3013031311222), we get a palindrome (5234162614325).

The spelling of 2221131303103 in words is "two trillion, two hundred twenty-one billion, one hundred thirty-one million, three hundred three thousand, one hundred three".