22122102211111 has 8 divisors (see below), whose sum is σ = 25363176978464. Its totient is φ = 18901221056640.

The previous prime is 22122102211109. The next prime is 22122102211127. The reversal of 22122102211111 is 11111220122122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22122102211111 - 2¹ = 22122102211109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122102214111) 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 7 ways as a sum of consecutive naturals, for example, 5048400870 + ... + 5048405251.

It is an arithmetic number, because the mean of its divisors is an integer number (3170397122308).

Almost surely, 2^{22122102211111} is an apocalyptic number.

22122102211111 is a deficient number, since it is larger than the sum of its proper divisors (3241074767353).

22122102211111 is a wasteful number, since it uses less digits than its factorization.

22122102211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10096806441.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 22122102211111 its reverse (11111220122122), we get a palindrome (33233322333233).

The spelling of 22122102211111 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred two million, two hundred eleven thousand, one hundred eleven".