221214422311 has 2 divisors, whose sum is σ = 221214422312. Its totient is φ = 221214422310.

The previous prime is 221214422291. The next prime is 221214422413. The reversal of 221214422311 is 113224412122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221214422311 - 2⁷ = 221214422183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221214422111) 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 as a sum of consecutive naturals, namely, 110607211155 + 110607211156.

It is an arithmetic number, because the mean of its divisors is an integer number (110607211156).

Almost surely, 2^221214422311 is an apocalyptic number.

221214422311 is a deficient number, since it is larger than the sum of its proper divisors (1).

221214422311 is an equidigital number, since it uses as much as digits as its factorization.

221214422311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 25.

Adding to 221214422311 its reverse (113224412122), we get a palindrome (334438834433).

The spelling of 221214422311 in words is "two hundred twenty-one billion, two hundred fourteen million, four hundred twenty-two thousand, three hundred eleven".