2221021002163 has 2 divisors, whose sum is σ = 2221021002164. Its totient is φ = 2221021002162.

The previous prime is 2221021002091. The next prime is 2221021002173. The reversal of 2221021002163 is 3612001201222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221021002163 - 2⁴¹ = 21997746611 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221021002173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110510501081 + 1110510501082.

It is an arithmetic number, because the mean of its divisors is an integer number (1110510501082).

Almost surely, 2^{2221021002163} is an apocalyptic number.

2221021002163 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221021002163 is an equidigital number, since it uses as much as digits as its factorization.

2221021002163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2221021002163 its reverse (3612001201222), we get a palindrome (5833022203385).

The spelling of 2221021002163 in words is "two trillion, two hundred twenty-one billion, twenty-one million, two thousand, one hundred sixty-three".