102112101111 has 8 divisors (see below), whose sum is σ = 144158260464. Its totient is φ = 64070337920.

The previous prime is 102112101089. The next prime is 102112101121. The reversal of 102112101111 is 111101211201.

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 102112101111 - 2¹⁰ = 102112100087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112101121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001098980 + ... + 1001099081.

It is an arithmetic number, because the mean of its divisors is an integer number (18019782558).

Almost surely, 2^102112101111 is an apocalyptic number.

102112101111 is a deficient number, since it is larger than the sum of its proper divisors (42046159353).

102112101111 is a wasteful number, since it uses less digits than its factorization.

102112101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002198081.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 102112101111 its reverse (111101211201), we get a palindrome (213213312312).

The spelling of 102112101111 in words is "one hundred two billion, one hundred twelve million, one hundred one thousand, one hundred eleven".