102010101 has 8 divisors (see below), whose sum is σ = 137360544. Its totient is φ = 67333200.

The previous prime is 102010099. The next prime is 102010123. The reversal of 102010101 is 101010201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102010101 - 2¹ = 102010099 is a prime.

102010101 is a modest number, since divided by 10101 gives 102 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 102010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010301) 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 7 ways as a sum of consecutive naturals, for example, 168031 + ... + 168636.

It is an arithmetic number, because the mean of its divisors is an integer number (17170068).

Almost surely, 2^102010101 is an apocalyptic number.

It is an amenable number.

102010101 is a deficient number, since it is larger than the sum of its proper divisors (35350443).

102010101 is a wasteful number, since it uses less digits than its factorization.

102010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336771.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 102010101 is about 10100.0049999988. The cubic root of 102010101 is about 467.2482955920.

Adding to 102010101 its reverse (101010201), we get a palindrome (203020302).

The spelling of 102010101 in words is "one hundred two million, ten thousand, one hundred one".