2211303222220 has 24 divisors (see below), whose sum is σ = 4671543580704. Its totient is φ = 879224752896.

The previous prime is 2211303222197. The next prime is 2211303222259. The reversal of 2211303222220 is 222223031122.

It is a junction number, because it is equal to n+sod(n) for n = 2211303222191 and 2211303222200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331030077 + ... + 331036756.

It is an arithmetic number, because the mean of its divisors is an integer number (194647649196).

Almost surely, 2^{2211303222220} is an apocalyptic number.

2211303222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211303222220 is an abundant number, since it is smaller than the sum of its proper divisors (2460240358484).

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

2211303222220 is a wasteful number, since it uses less digits than its factorization.

2211303222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662067009 (or 662067007 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2211303222220 its reverse (222223031122), we get a palindrome (2433526253342).

The spelling of 2211303222220 in words is "two trillion, two hundred eleven billion, three hundred three million, two hundred twenty-two thousand, two hundred twenty".