101240210 has 16 divisors (see below), whose sum is σ = 182635992. Its totient is φ = 40406400.

The previous prime is 101240207. The next prime is 101240231. The reversal of 101240210 is 12042101.

It can be written as a sum of positive squares in 4 ways, for example, as 85803169 + 15437041 = 9263^2 + 3929^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101240191 and 101240200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6371 + ... + 15590.

Almost surely, 2^101240210 is an apocalyptic number.

101240210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101240210 is a deficient number, since it is larger than the sum of its proper divisors (81395782).

101240210 is a wasteful number, since it uses less digits than its factorization.

101240210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22429.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 101240210 is about 10061.8194179780. The cubic root of 101240210 is about 466.0698532823.

Adding to 101240210 its reverse (12042101), we get a palindrome (113282311).

The spelling of 101240210 in words is "one hundred one million, two hundred forty thousand, two hundred ten".