2122011105 has 16 divisors (see below), whose sum is σ = 3573913920. Its totient is φ = 1072173888.

The previous prime is 2122011103. The next prime is 2122011109. The reversal of 2122011105 is 5011102212.

It is not a de Polignac number, because 2122011105 - 2¹ = 2122011103 is a prime.

It is a super-2 number, since 2×2122011105² = 9005862259486642050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (2122011103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3722542 + ... + 3723111.

It is an arithmetic number, because the mean of its divisors is an integer number (223369620).

Almost surely, 2^2122011105 is an apocalyptic number.

It is an amenable number.

2122011105 is a deficient number, since it is larger than the sum of its proper divisors (1451902815).

2122011105 is a wasteful number, since it uses less digits than its factorization.

2122011105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7445680.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 2122011105 is about 46065.2917607172. The cubic root of 2122011105 is about 1285.0377446053.

Adding to 2122011105 its reverse (5011102212), we get a palindrome (7133113317).

The spelling of 2122011105 in words is "two billion, one hundred twenty-two million, eleven thousand, one hundred five".