2111321105 has 8 divisors (see below), whose sum is σ = 2552926464. Its totient is φ = 1676162800.

The previous prime is 2111321099. The next prime is 2111321129. The reversal of 2111321105 is 5011231112.

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

It is not a de Polignac number, because 2111321105 - 2¹⁶ = 2111255569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1611041 + ... + 1612350.

It is an arithmetic number, because the mean of its divisors is an integer number (319115808).

Almost surely, 2^2111321105 is an apocalyptic number.

It is an amenable number.

2111321105 is a deficient number, since it is larger than the sum of its proper divisors (441605359).

2111321105 is a wasteful number, since it uses less digits than its factorization.

2111321105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223527.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 2111321105 is about 45949.1143004955. The cubic root of 2111321105 is about 1282.8762438427.

Adding to 2111321105 its reverse (5011231112), we get a palindrome (7122552217).

The spelling of 2111321105 in words is "two billion, one hundred eleven million, three hundred twenty-one thousand, one hundred five".