221111112002219 has 2 divisors, whose sum is σ = 221111112002220. Its totient is φ = 221111112002218.

The previous prime is 221111112002213. The next prime is 221111112002393. The reversal of 221111112002219 is 912200211111122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221111112002219 is a prime.

It is a super-2 number, since 2×221111112002219² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221111112002213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110555556001109 + 110555556001110.

It is an arithmetic number, because the mean of its divisors is an integer number (110555556001110).

Almost surely, 2^{221111112002219} is an apocalyptic number.

221111112002219 is a deficient number, since it is larger than the sum of its proper divisors (1).

221111112002219 is an equidigital number, since it uses as much as digits as its factorization.

221111112002219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 221111112002219 in words is "two hundred twenty-one trillion, one hundred eleven billion, one hundred twelve million, two thousand, two hundred nineteen".