2101112122 has 16 divisors (see below), whose sum is σ = 3182652000. Its totient is φ = 1040240880.

The previous prime is 2101112099. The next prime is 2101112129. The reversal of 2101112122 is 2212111012.

It is not an unprimeable number, because it can be changed into a prime (2101112129) 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 7 ways as a sum of consecutive naturals, for example, 586597 + ... + 590167.

It is an arithmetic number, because the mean of its divisors is an integer number (198915750).

Almost surely, 2^2101112122 is an apocalyptic number.

2101112122 is a deficient number, since it is larger than the sum of its proper divisors (1081539878).

2101112122 is a wasteful number, since it uses less digits than its factorization.

2101112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6381.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2101112122 is about 45837.8895892906. The cubic root of 2101112122 is about 1280.8051822784.

Adding to 2101112122 its reverse (2212111012), we get a palindrome (4313223134).

It can be divided in two parts, 21011 and 12122, that added together give a palindrome (33133).

The spelling of 2101112122 in words is "two billion, one hundred one million, one hundred twelve thousand, one hundred twenty-two".