22102210221111 has 24 divisors (see below), whose sum is σ = 32959930209024. Its totient is φ = 14261508181440.

The previous prime is 22102210221103. The next prime is 22102210221127. The reversal of 22102210221111 is 11112201220122.

22102210221111 is a `hidden beast` number, since 2 + 210 + 221 + 0 + 221 + 1 + 11 = 666.

It is not a de Polignac number, because 22102210221111 - 2³ = 22102210221103 is a prime.

It is a super-4 number, since 4×22102210221111⁴ (a number of 54 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102210221011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173687716 + ... + 173814921.

It is an arithmetic number, because the mean of its divisors is an integer number (1373330425376).

Almost surely, 2^{22102210221111} is an apocalyptic number.

22102210221111 is a deficient number, since it is larger than the sum of its proper divisors (10857719987913).

22102210221111 is a wasteful number, since it uses less digits than its factorization.

22102210221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347502871 (or 347502868 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22102210221111 its reverse (11112201220122), we get a palindrome (33214411441233).

The spelling of 22102210221111 in words is "twenty-two trillion, one hundred two billion, two hundred ten million, two hundred twenty-one thousand, one hundred eleven".