2211200022120 has 256 divisors, whose sum is σ = 6862722589440. Its totient is φ = 569535971328.

The previous prime is 2211200022113. The next prime is 2211200022121. The reversal of 2211200022120 is 212200021122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2211200022120.

It is not an unprimeable number, because it can be changed into a prime (2211200022121) 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 63 ways as a sum of consecutive naturals, for example, 348052864 + ... + 348059216.

It is an arithmetic number, because the mean of its divisors is an integer number (26807510115).

Almost surely, 2^{2211200022120} is an apocalyptic number.

2211200022120 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 2211200022120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3431361294720).

2211200022120 is an abundant number, since it is smaller than the sum of its proper divisors (4651522567320).

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

2211200022120 is a wasteful number, since it uses less digits than its factorization.

2211200022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6964 (or 6960 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2211200022120 its reverse (212200021122), we get a palindrome (2423400043242).

The spelling of 2211200022120 in words is "two trillion, two hundred eleven billion, two hundred million, twenty-two thousand, one hundred twenty".