2001112022 has 16 divisors (see below), whose sum is σ = 3694360992. Its totient is φ = 791648640.

The previous prime is 2001111991. The next prime is 2001112039. The reversal of 2001112022 is 2202111002.

It is a happy number.

It is a super-4 number, since 4×2001112022⁴ (a number of 38 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2001111994 and 2001112012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5497379 + ... + 5497742.

It is an arithmetic number, because the mean of its divisors is an integer number (230897562).

Almost surely, 2^2001112022 is an apocalyptic number.

2001112022 is a deficient number, since it is larger than the sum of its proper divisors (1693248970).

2001112022 is a wasteful number, since it uses less digits than its factorization.

2001112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10995143.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2001112022 is about 44733.7906062073. The cubic root of 2001112022 is about 1260.1545166178.

Adding to 2001112022 its reverse (2202111002), we get a palindrome (4203223024).

The spelling of 2001112022 in words is "two billion, one million, one hundred twelve thousand, twenty-two".