2221021213202 has 16 divisors (see below), whose sum is σ = 3634725261024. Its totient is φ = 1009464288000.

The previous prime is 2221021213163. The next prime is 2221021213207. The reversal of 2221021213202 is 2023121201222.

It is not an unprimeable number, because it can be changed into a prime (2221021213207) 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, 4289999 + ... + 4779762.

It is an arithmetic number, because the mean of its divisors is an integer number (227170328814).

Almost surely, 2^{2221021213202} is an apocalyptic number.

2221021213202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2221021213202 is a deficient number, since it is larger than the sum of its proper divisors (1413704047822).

2221021213202 is a wasteful number, since it uses less digits than its factorization.

2221021213202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9080905.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2221021213202 its reverse (2023121201222), we get a palindrome (4244142414424).

The spelling of 2221021213202 in words is "two trillion, two hundred twenty-one billion, twenty-one million, two hundred thirteen thousand, two hundred two".