2221000220000 has 60 divisors (see below), whose sum is σ = 5463993740436. Its totient is φ = 888400080000.

The previous prime is 2221000219979. The next prime is 2221000220003. The reversal of 2221000220000 is 220001222.

2221000220000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221000220003) 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, 55505006 + ... + 55545005.

Almost surely, 2^{2221000220000} is an apocalyptic number.

2221000220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221000220000 is an abundant number, since it is smaller than the sum of its proper divisors (3242993520436).

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

2221000220000 is an equidigital number, since it uses as much as digits as its factorization.

2221000220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111050041 (or 111050018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 2221000220000 its reverse (220001222), we get a palindrome (2221220221222).

The spelling of 2221000220000 in words is "two trillion, two hundred twenty-one billion, two hundred twenty thousand".