10100102 has 4 divisors (see below), whose sum is σ = 15150156. Its totient is φ = 5050050.

The previous prime is 10100099. The next prime is 10100107. The reversal of 10100102 is 20100101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100107) by changing a digit.

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 as a sum of consecutive naturals, namely, 2525024 + ... + 2525027.

It is an arithmetic number, because the mean of its divisors is an integer number (3787539).

Almost surely, 2^10100102 is an apocalyptic number.

10100102 is a deficient number, since it is larger than the sum of its proper divisors (5050054).

10100102 is an equidigital number, since it uses as much as digits as its factorization.

10100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050053.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 10100102 is about 3178.0657639514. The cubic root of 10100102 is about 216.1599609568.

Adding to 10100102 its reverse (20100101), we get a palindrome (30200203).

Subtracting 10100102 from its reverse (20100101), we obtain a palindrome (9999999).

Multiplying 10100102 by its reverse (20100101), we get a palindrome (203013070310302).

The spelling of 10100102 in words is "ten million, one hundred thousand, one hundred two".