102000121188 has 48 divisors (see below), whose sum is σ = 272336722560. Its totient is φ = 29106849024.

The previous prime is 102000121187. The next prime is 102000121229. The reversal of 102000121188 is 881121000201.

It is not an unprimeable number, because it can be changed into a prime (102000121183) 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 15 ways as a sum of consecutive naturals, for example, 682531 + ... + 818442.

It is an arithmetic number, because the mean of its divisors is an integer number (5673681720).

Almost surely, 2^102000121188 is an apocalyptic number.

It is an amenable number.

102000121188 is an abundant number, since it is smaller than the sum of its proper divisors (170336601372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102000121188 is a wasteful number, since it uses less digits than its factorization.

102000121188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501796 (or 1501794 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 24.

Adding to 102000121188 its reverse (881121000201), we get a palindrome (983121121389).

The spelling of 102000121188 in words is "one hundred two billion, one hundred twenty-one thousand, one hundred eighty-eight".