2101112022 has 16 divisors (see below), whose sum is σ = 4204260720.
Its totient is φ = 700031232.
The previous prime is 2101111993. The next prime is 2101112023. The reversal of 2101112022 is 2202111012.
It is a junction number, because it is equal to n+sod(n) for n = 2101111989 and 2101112007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2101112023) 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, 71283 + ... + 96350.
It is an arithmetic number, because the mean of its divisors is an integer number (262766295).
Almost surely, 22101112022 is an apocalyptic number.
2101112022 is an abundant number, since it is smaller than the sum of its proper divisors (2103148698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2101112022 is a wasteful number, since it uses less digits than its factorization.
2101112022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169727.
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 2101112022 is about 45837.8884984900.
Note that the first 3 decimals coincide.
The cubic root of 2101112022 is about 1280.8051619589.
Adding to 2101112022 its reverse (2202111012), we get a palindrome (4303223034).
It can be divided in two parts, 21011 and 12022, that added together give a palindrome (33033).
The spelling of 2101112022 in words is "two billion, one hundred one million, one hundred twelve thousand, twenty-two".