102202110 has 96 divisors (see below), whose sum is σ = 280687680. Its totient is φ = 25749504.

The previous prime is 102202091. The next prime is 102202123. The reversal of 102202110 is 11202201.

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 = 102202092 and 102202101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 200536 + ... + 201044.

It is an arithmetic number, because the mean of its divisors is an integer number (2923830).

Almost surely, 2^102202110 is an apocalyptic number.

102202110 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 102202110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140343840).

102202110 is an abundant number, since it is smaller than the sum of its proper divisors (178485570).

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

102202110 is a wasteful number, since it uses less digits than its factorization.

102202110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 102202110 is about 10109.5059226453. The cubic root of 102202110 is about 467.5412719623.

Adding to 102202110 its reverse (11202201), we get a palindrome (113404311).

Subtracting from 102202110 its reverse (11202201), we obtain a palindrome (90999909).

The spelling of 102202110 in words is "one hundred two million, two hundred two thousand, one hundred ten".