221100000121219 has 2 divisors, whose sum is σ = 221100000121220. Its totient is φ = 221100000121218.

The previous prime is 221100000121159. The next prime is 221100000121229. The reversal of 221100000121219 is 912121000001122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221100000121219 is a prime.

It is a super-2 number, since 2×221100000121219² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221100000121219.

It is not a weakly prime, because it can be changed into another prime (221100000121229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110550000060609 + 110550000060610.

It is an arithmetic number, because the mean of its divisors is an integer number (110550000060610).

Almost surely, 2^{221100000121219} is an apocalyptic number.

221100000121219 is a deficient number, since it is larger than the sum of its proper divisors (1).

221100000121219 is an equidigital number, since it uses as much as digits as its factorization.

221100000121219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 221100000121219 in words is "two hundred twenty-one trillion, one hundred billion, one hundred twenty-one thousand, two hundred nineteen".