2011000222206 has 48 divisors (see below), whose sum is σ = 4658262152544. Its totient is φ = 624776758272.

The previous prime is 2011000222181. The next prime is 2011000222229. The reversal of 2011000222206 is 6022220001102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31870891 + ... + 31933926.

It is an arithmetic number, because the mean of its divisors is an integer number (97047128178).

Almost surely, 2^{2011000222206} is an apocalyptic number.

2011000222206 is an abundant number, since it is smaller than the sum of its proper divisors (2647261930338).

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

2011000222206 is a wasteful number, since it uses less digits than its factorization.

2011000222206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63804945 (or 63804942 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2011000222206 its reverse (6022220001102), we get a palindrome (8033220223308).

The spelling of 2011000222206 in words is "two trillion, eleven billion, two hundred twenty-two thousand, two hundred six".