2011102222220 has 192 divisors, whose sum is σ = 5473143137280. Its totient is φ = 602800745472.

The previous prime is 2011102222211. The next prime is 2011102222231. The reversal of 2011102222220 is 222222011102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 155015654 + ... + 155028626.

It is an arithmetic number, because the mean of its divisors is an integer number (28505953840).

Almost surely, 2^{2011102222220} is an apocalyptic number.

2011102222220 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 2011102222220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2736571568640).

2011102222220 is an abundant number, since it is smaller than the sum of its proper divisors (3462040915060).

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

2011102222220 is a wasteful number, since it uses less digits than its factorization.

2011102222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17504 (or 17502 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2011102222220 its reverse (222222011102), we get a palindrome (2233324233322).

It can be divided in two parts, 2011102 and 222220, that added together give a palindrome (2233322).

The spelling of 2011102222220 in words is "two trillion, eleven billion, one hundred two million, two hundred twenty-two thousand, two hundred twenty".