2113221103 has 8 divisors (see below), whose sum is σ = 2415824672. Its totient is φ = 1810796256.

The previous prime is 2113221083. The next prime is 2113221107. The reversal of 2113221103 is 3011223112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2113221103 - 2⁹ = 2113220591 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 (2113221107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18300 + ... + 67537.

It is an arithmetic number, because the mean of its divisors is an integer number (301978084).

Almost surely, 2^2113221103 is an apocalyptic number.

2113221103 is a deficient number, since it is larger than the sum of its proper divisors (302603569).

2113221103 is an equidigital number, since it uses as much as digits as its factorization.

2113221103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89361.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2113221103 is about 45969.7846742836. The cubic root of 2113221103 is about 1283.2609526540.

Adding to 2113221103 its reverse (3011223112), we get a palindrome (5124444215).

The spelling of 2113221103 in words is "two billion, one hundred thirteen million, two hundred twenty-one thousand, one hundred three".