2211303323020 has 192 divisors, whose sum is σ = 5607062092800. Its totient is φ = 722616688640.

The previous prime is 2211303322981. The next prime is 2211303323023. The reversal of 2211303323020 is 203233031122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2211303322982 and 2211303323000.

It is not an unprimeable number, because it can be changed into a prime (2211303323023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48922791 + ... + 48967969.

It is an arithmetic number, because the mean of its divisors is an integer number (29203448400).

Almost surely, 2^{2211303323020} is an apocalyptic number.

2211303323020 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 2211303323020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2803531046400).

2211303323020 is an abundant number, since it is smaller than the sum of its proper divisors (3395758769780).

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

2211303323020 is a wasteful number, since it uses less digits than its factorization.

2211303323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45808 (or 45806 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 2211303323020 its reverse (203233031122), we get a palindrome (2414536354142).

The spelling of 2211303323020 in words is "two trillion, two hundred eleven billion, three hundred three million, three hundred twenty-three thousand, twenty".