103210101 has 24 divisors (see below), whose sum is σ = 156363480. Its totient is φ = 65511936.

The previous prime is 103210099. The next prime is 103210117. The reversal of 103210101 is 101012301.

It can be written as a sum of positive squares in 4 ways, for example, as 3709476 + 99500625 = 1926^2 + 9975^2 .

It is not a de Polignac number, because 103210101 - 2¹ = 103210099 is a prime.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103210201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16345 + ... + 21761.

It is an arithmetic number, because the mean of its divisors is an integer number (6515145).

Almost surely, 2^103210101 is an apocalyptic number.

It is an amenable number.

103210101 is a deficient number, since it is larger than the sum of its proper divisors (53153379).

103210101 is a wasteful number, since it uses less digits than its factorization.

103210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525 (or 5522 counting only the distinct ones).

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

The square root of 103210101 is about 10159.2372253039. The cubic root of 103210101 is about 469.0733227485.

Adding to 103210101 its reverse (101012301), we get a palindrome (204222402).

The spelling of 103210101 in words is "one hundred three million, two hundred ten thousand, one hundred one".