2001111022 has 8 divisors (see below), whose sum is σ = 3018250872. Its totient is φ = 995027400.

The previous prime is 2001111017. The next prime is 2001111023. The reversal of 2001111022 is 2201111002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001111023) 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 3 ways as a sum of consecutive naturals, for example, 2763604 + ... + 2764327.

It is an arithmetic number, because the mean of its divisors is an integer number (377281359).

Almost surely, 2^2001111022 is an apocalyptic number.

2001111022 is a deficient number, since it is larger than the sum of its proper divisors (1017139850).

2001111022 is a wasteful number, since it uses less digits than its factorization.

2001111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5528114.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2001111022 is about 44733.7794289729. The cubic root of 2001111022 is about 1260.1543067087.

Adding to 2001111022 its reverse (2201111002), we get a palindrome (4202222024).

The spelling of 2001111022 in words is "two billion, one million, one hundred eleven thousand, twenty-two".