102102110010 has 32 divisors (see below), whose sum is σ = 272272294080. Its totient is φ = 27227229264.

The previous prime is 102102110009. The next prime is 102102110039. The reversal of 102102110010 is 10011201201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102102109974 and 102102110001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189077712 + ... + 189078251.

It is an arithmetic number, because the mean of its divisors is an integer number (8508509190).

Almost surely, 2^102102110010 is an apocalyptic number.

102102110010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102102110010 is an abundant number, since it is smaller than the sum of its proper divisors (170170184070).

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

102102110010 is a wasteful number, since it uses less digits than its factorization.

102102110010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378155979 (or 378155973 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 102102110010 its reverse (10011201201), we get a palindrome (112113311211).

The spelling of 102102110010 in words is "one hundred two billion, one hundred two million, one hundred ten thousand, ten".