2221111210000 has 100 divisors (see below), whose sum is σ = 5660560853200. Its totient is φ = 841684176000.

The previous prime is 2221111209997. The next prime is 2221111210033. The reversal of 2221111210000 is 121111222.

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5655030 + ... + 6035029.

It is an arithmetic number, because the mean of its divisors is an integer number (56605608532).

Almost surely, 2^{2221111210000} is an apocalyptic number.

2221111210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221111210000 is an abundant number, since it is smaller than the sum of its proper divisors (3439449643200).

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

2221111210000 is a wasteful number, since it uses less digits than its factorization.

2221111210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11690106 (or 11690085 counting only the distinct ones).

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

Adding to 2221111210000 its reverse (121111222), we get a palindrome (2221232321222).

The spelling of 2221111210000 in words is "two trillion, two hundred twenty-one billion, one hundred eleven million, two hundred ten thousand".