2221031213320 has 32 divisors (see below), whose sum is σ = 4997864304000. Its totient is φ = 888315761088.

The previous prime is 2221031213309. The next prime is 2221031213341. The reversal of 2221031213320 is 233121301222.

It is a super-2 number, since 2×2221031213320² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2221031213291 and 2221031213300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2650074 + ... + 3385993.

It is an arithmetic number, because the mean of its divisors is an integer number (156183259500).

Almost surely, 2^{2221031213320} is an apocalyptic number.

2221031213320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221031213320 is an abundant number, since it is smaller than the sum of its proper divisors (2776833090680).

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

2221031213320 is a wasteful number, since it uses less digits than its factorization.

2221031213320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6045277 (or 6045273 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2221031213320 its reverse (233121301222), we get a palindrome (2454152514542).

The spelling of 2221031213320 in words is "two trillion, two hundred twenty-one billion, thirty-one million, two hundred thirteen thousand, three hundred twenty".