22221111219999 has 32 divisors (see below), whose sum is σ = 30478265072640. Its totient is φ = 14392105228800.

The previous prime is 22221111219997. The next prime is 22221111220003. The reversal of 22221111219999 is 99991211112222.

It is not a de Polignac number, because 22221111219999 - 2¹ = 22221111219997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221111219997) 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 in 31 ways as a sum of consecutive naturals, for example, 65797579 + ... + 66134435.

It is an arithmetic number, because the mean of its divisors is an integer number (952445783520).

Almost surely, 2^{22221111219999} is an apocalyptic number.

22221111219999 is a deficient number, since it is larger than the sum of its proper divisors (8257153852641).

22221111219999 is a wasteful number, since it uses less digits than its factorization.

22221111219999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339151.

The product of its digits is 209952, while the sum is 51.

The spelling of 22221111219999 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred eleven million, two hundred nineteen thousand, nine hundred ninety-nine".