2221111102103 has 4 divisors (see below), whose sum is σ = 2244009154800. Its totient is φ = 2198213049408.

The previous prime is 2221111102027. The next prime is 2221111102109. The reversal of 2221111102103 is 3012011111222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2221111102103 - 2³⁰ = 2220037360279 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 (2221111102109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11449026203 + ... + 11449026396.

It is an arithmetic number, because the mean of its divisors is an integer number (561002288700).

Almost surely, 2^{2221111102103} is an apocalyptic number.

2221111102103 is a deficient number, since it is larger than the sum of its proper divisors (22898052697).

2221111102103 is an equidigital number, since it uses as much as digits as its factorization.

2221111102103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22898052696.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2221111102103 its reverse (3012011111222), we get a palindrome (5233122213325).

The spelling of 2221111102103 in words is "two trillion, two hundred twenty-one billion, one hundred eleven million, one hundred two thousand, one hundred three".