2011222220000 has 240 divisors, whose sum is σ = 5706674154720. Its totient is φ = 683230464000.

The previous prime is 2011222219949. The next prime is 2011222220003. The reversal of 2011222220000 is 222221102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011222220003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15194102 + ... + 15325898.

It is an arithmetic number, because the mean of its divisors is an integer number (23777808978).

Almost surely, 2^{2011222220000} is an apocalyptic number.

2011222220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011222220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2853337077360).

2011222220000 is an abundant number, since it is smaller than the sum of its proper divisors (3695451934720).

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

2011222220000 is a wasteful number, since it uses less digits than its factorization.

2011222220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131943 (or 131920 counting only the distinct ones).

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

Adding to 2011222220000 its reverse (222221102), we get a palindrome (2011444441102).

The spelling of 2011222220000 in words is "two trillion, eleven billion, two hundred twenty-two million, two hundred twenty thousand".