102112111011 has 8 divisors (see below), whose sum is σ = 136422328000. Its totient is φ = 67938317352.

The previous prime is 102112110943. The next prime is 102112111043. The reversal of 102112111011 is 110111211201.

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

It is not a de Polignac number, because 102112111011 - 2¹⁰ = 102112109987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102112111081) 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, 34104085 + ... + 34107078.

It is an arithmetic number, because the mean of its divisors is an integer number (17052791000).

Almost surely, 2^102112111011 is an apocalyptic number.

102112111011 is a deficient number, since it is larger than the sum of its proper divisors (34310216989).

102112111011 is an equidigital number, since it uses as much as digits as its factorization.

102112111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68211665.

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

Adding to 102112111011 its reverse (110111211201), we get a palindrome (212223322212).

The spelling of 102112111011 in words is "one hundred two billion, one hundred twelve million, one hundred eleven thousand, eleven".