101103210 has 48 divisors (see below), whose sum is σ = 283092264. Its totient is φ = 24886656.

The previous prime is 101103209. The next prime is 101103217. The reversal of 101103210 is 12301101.

It can be written as a sum of positive squares in 4 ways, for example, as 73256481 + 27846729 = 8559^2 + 5277^2 .

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 = 101103192 and 101103201.

It is not an unprimeable number, because it can be changed into a prime (101103217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42037 + ... + 44376.

Almost surely, 2^101103210 is an apocalyptic number.

101103210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101103210 is an abundant number, since it is smaller than the sum of its proper divisors (181989054).

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

101103210 is a wasteful number, since it uses less digits than its factorization.

101103210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86439 (or 86436 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 101103210 is about 10055.0091993991. The cubic root of 101103210 is about 465.8595271242.

Adding to 101103210 its reverse (12301101), we get a palindrome (113404311).

The spelling of 101103210 in words is "one hundred one million, one hundred three thousand, two hundred ten".