2221002220000 has 60 divisors (see below), whose sum is σ = 5463998660736. Its totient is φ = 888400880000.

The previous prime is 2221002219983. The next prime is 2221002220007. The reversal of 2221002220000 is 222001222.

It is a super-2 number, since 2×2221002220000² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221002220007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55505056 + ... + 55545055.

Almost surely, 2^{2221002220000} is an apocalyptic number.

2221002220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221002220000 is an abundant number, since it is smaller than the sum of its proper divisors (3242996440736).

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

2221002220000 is an equidigital number, since it uses as much as digits as its factorization.

2221002220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111050141 (or 111050118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2221002220000 its reverse (222001222), we get a palindrome (2221224221222).

The spelling of 2221002220000 in words is "two trillion, two hundred twenty-one billion, two million, two hundred twenty thousand".