102121102112 has 24 divisors (see below), whose sum is σ = 211632548400.
Its totient is φ = 48373153344.
The previous prime is 102121102103. The next prime is 102121102117. The reversal of 102121102112 is 211201121201.
Adding to 102121102112 its reverse (211201121201), we get a palindrome (313322223313).
It is not an unprimeable number, because it can be changed into a prime (102121102117) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83980562 + ... + 83981777.
It is an arithmetic number, because the mean of its divisors is an integer number (8818022850).
Almost surely, 2102121102112 is an apocalyptic number.
It is an amenable number.
102121102112 is an abundant number, since it is smaller than the sum of its proper divisors (109511446288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102121102112 is a wasteful number, since it uses less digits than its factorization.
102121102112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 167962368 (or 167962360 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 14.
The spelling of 102121102112 in words is "one hundred two billion, one hundred twenty-one million, one hundred two thousand, one hundred twelve".