102111012322111 has 16 divisors (see below), whose sum is σ = 109986035798016. Its totient is φ = 94238894835936.

The previous prime is 102111012322097. The next prime is 102111012322141. The reversal of 102111012322111 is 111223210111201.

It is a cyclic number.

It is not a de Polignac number, because 102111012322111 - 2⁹ = 102111012321599 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 (102111012322141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3224915866 + ... + 3224947528.

It is an arithmetic number, because the mean of its divisors is an integer number (6874127237376).

Almost surely, 2^{102111012322111} is an apocalyptic number.

102111012322111 is a deficient number, since it is larger than the sum of its proper divisors (7875023475905).

102111012322111 is a wasteful number, since it uses less digits than its factorization.

102111012322111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69702.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 102111012322111 its reverse (111223210111201), we get a palindrome (213334222433312).

The spelling of 102111012322111 in words is "one hundred two trillion, one hundred eleven billion, twelve million, three hundred twenty-two thousand, one hundred eleven".