2001110022 has 20 divisors (see below), whose sum is σ = 4483969116. Its totient is φ = 667036620.

The previous prime is 2001110017. The next prime is 2001110119. The reversal of 2001110022 is 2200111002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2001109986 and 2001110013.

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 6176104 + ... + 6176427.

Almost surely, 2^2001110022 is an apocalyptic number.

2001110022 is an abundant number, since it is smaller than the sum of its proper divisors (2482859094).

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

2001110022 is a wasteful number, since it uses less digits than its factorization.

2001110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12352545 (or 12352536 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2001110022 is about 44733.7682517357. The cubic root of 2001110022 is about 1260.1540967996.

Adding to 2001110022 its reverse (2200111002), we get a palindrome (4201221024).

It can be divided in two parts, 200111002 and 2, that multiplied together give a palindrome (400222004).

The spelling of 2001110022 in words is "two billion, one million, one hundred ten thousand, twenty-two".