102110001210 has 192 divisors, whose sum is σ = 333268715520. Its totient is φ = 21149631360.

The previous prime is 102110001209. The next prime is 102110001247. The reversal of 102110001210 is 12100011201.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 102110001192 and 102110001201.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 89865 + ... + 460755.

It is an arithmetic number, because the mean of its divisors is an integer number (1735774560).

Almost surely, 2^102110001210 is an apocalyptic number.

102110001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102110001210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166634357760).

102110001210 is an abundant number, since it is smaller than the sum of its proper divisors (231158714310).

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

102110001210 is a wasteful number, since it uses less digits than its factorization.

102110001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370953 (or 370950 counting only the distinct ones).

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

Adding to 102110001210 its reverse (12100011201), we get a palindrome (114210012411).

Subtracting from 102110001210 its reverse (12100011201), we obtain a palindrome (90009990009).

The spelling of 102110001210 in words is "one hundred two billion, one hundred ten million, one thousand, two hundred ten".