102110010210 has 160 divisors (see below), whose sum is σ = 297814144320. Its totient is φ = 24953588352.

The previous prime is 102110010209. The next prime is 102110010239. The reversal of 102110010210 is 12010011201.

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 = 102110010192 and 102110010201.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1428789 + ... + 1498551.

It is an arithmetic number, because the mean of its divisors is an integer number (1861338402).

Almost surely, 2^102110010210 is an apocalyptic number.

102110010210 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 102110010210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148907072160).

102110010210 is an abundant number, since it is smaller than the sum of its proper divisors (195704134110).

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

102110010210 is a wasteful number, since it uses less digits than its factorization.

102110010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69934 (or 69925 counting only the distinct ones).

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

Adding to 102110010210 its reverse (12010011201), we get a palindrome (114120021411).

Subtracting from 102110010210 its reverse (12010011201), we obtain a palindrome (90099999009).

The spelling of 102110010210 in words is "one hundred two billion, one hundred ten million, ten thousand, two hundred ten".