2011220222000 has 80 divisors (see below), whose sum is σ = 5305233327264. Its totient is φ = 731352800000.

The previous prime is 2011220221981. The next prime is 2011220222003. The reversal of 2011220222000 is 2220221102.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (2011220222003) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 45687551 + ... + 45731550.

Almost surely, 2^{2011220222000} is an apocalyptic number.

2011220222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011220222000 is an abundant number, since it is smaller than the sum of its proper divisors (3294013105264).

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

2011220222000 is a wasteful number, since it uses less digits than its factorization.

2011220222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91419135 (or 91419119 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2011220222000 its reverse (2220221102), we get a palindrome (2013440443102).

The spelling of 2011220222000 in words is "two trillion, eleven billion, two hundred twenty million, two hundred twenty-two thousand".