102222312111 has 24 divisors (see below), whose sum is σ = 156804002784. Its totient is φ = 63949132800.

The previous prime is 102222312107. The next prime is 102222312121. The reversal of 102222312111 is 111213222201.

102222312111 is a `hidden beast` number, since 1 + 0 + 222 + 231 + 211 + 1 = 666.

It is not a de Polignac number, because 102222312111 - 2² = 102222312107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102222312121) 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 23 ways as a sum of consecutive naturals, for example, 939715 + ... + 1042836.

It is an arithmetic number, because the mean of its divisors is an integer number (6533500116).

Almost surely, 2^102222312111 is an apocalyptic number.

102222312111 is a deficient number, since it is larger than the sum of its proper divisors (54581690673).

102222312111 is a wasteful number, since it uses less digits than its factorization.

102222312111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982911 (or 1982908 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 102222312111 its reverse (111213222201), we get a palindrome (213435534312).

The spelling of 102222312111 in words is "one hundred two billion, two hundred twenty-two million, three hundred twelve thousand, one hundred eleven".