2051322105 has 32 divisors (see below), whose sum is σ = 3880339200. Its totient is φ = 905409792.

The previous prime is 2051322083. The next prime is 2051322139. The reversal of 2051322105 is 5012231502.

2051322105 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2051322105 - 2¹⁰ = 2051321081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 333790 + ... + 339879.

It is an arithmetic number, because the mean of its divisors is an integer number (121260600).

Almost surely, 2^2051322105 is an apocalyptic number.

It is an amenable number.

2051322105 is a deficient number, since it is larger than the sum of its proper divisors (1829017095).

2051322105 is a wasteful number, since it uses less digits than its factorization.

2051322105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673713.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2051322105 is about 45291.5235446987. The cubic root of 2051322105 is about 1270.6071259642.

Adding to 2051322105 its reverse (5012231502), we get a palindrome (7063553607).

The spelling of 2051322105 in words is "two billion, fifty-one million, three hundred twenty-two thousand, one hundred five".