222102122122111 has 24 divisors (see below), whose sum is σ = 281852397331920. Its totient is φ = 173065915814400.

The previous prime is 222102122122103. The next prime is 222102122122141. The reversal of 222102122122111 is 111221221201222.

222102122122111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222102122122111 - 2³ = 222102122122103 is a prime.

It is a super-2 number, since 2×222102122122111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222102122122141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172858101 + ... + 174138241.

It is an arithmetic number, because the mean of its divisors is an integer number (11743849888830).

Almost surely, 2^{222102122122111} is an apocalyptic number.

222102122122111 is a deficient number, since it is larger than the sum of its proper divisors (59750275209809).

222102122122111 is a wasteful number, since it uses less digits than its factorization.

222102122122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602055 (or 1602048 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 222102122122111 its reverse (111221221201222), we get a palindrome (333323343323333).

The spelling of 222102122122111 in words is "two hundred twenty-two trillion, one hundred two billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred eleven".