2158051122 has 96 divisors (see below), whose sum is σ = 5086224000. Its totient is φ = 658969344.

The previous prime is 2158051121. The next prime is 2158051139. The reversal of 2158051122 is 2211508512.

It is a happy number.

2158051122 is a `hidden beast` number, since 21 + 580 + 51 + 12 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (2158051121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2517718 + ... + 2518574.

It is an arithmetic number, because the mean of its divisors is an integer number (52981500).

Almost surely, 2^2158051122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2158051122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2543112000).

2158051122 is an abundant number, since it is smaller than the sum of its proper divisors (2928172878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2158051122 is a wasteful number, since it uses less digits than its factorization.

2158051122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 2158051122 is about 46454.8288340405. The cubic root of 2158051122 is about 1292.2719257059.

Adding to 2158051122 its reverse (2211508512), we get a palindrome (4369559634).

The spelling of 2158051122 in words is "two billion, one hundred fifty-eight million, fifty-one thousand, one hundred twenty-two".