2221101112000 has 56 divisors (see below), whose sum is σ = 5500556923680. Its totient is φ = 888440441600.

The previous prime is 2221101111961. The next prime is 2221101112007. The reversal of 2221101112000 is 2111011222.

It is not an unprimeable number, because it can be changed into a prime (2221101112007) by changing a digit.

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, 138810820 + ... + 138826819.

It is an arithmetic number, because the mean of its divisors is an integer number (98224230780).

Almost surely, 2^{2221101112000} is an apocalyptic number.

2221101112000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221101112000 is an abundant number, since it is smaller than the sum of its proper divisors (3279455811680).

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

2221101112000 is an equidigital number, since it uses as much as digits as its factorization.

2221101112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277637666 (or 277637646 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2221101112000 its reverse (2111011222), we get a palindrome (2223212123222).

The spelling of 2221101112000 in words is "two trillion, two hundred twenty-one billion, one hundred one million, one hundred twelve thousand".