102100002010 has 8 divisors (see below), whose sum is σ = 183780003636. Its totient is φ = 40840000800.

The previous prime is 102100001959. The next prime is 102100002013. The reversal of 102100002010 is 10200001201.

It can be written as a sum of positive squares in 2 ways, for example, as 95068005561 + 7031996449 = 308331^2 + 83857^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 102100001984 and 102100002002.

It is not an unprimeable number, because it can be changed into a prime (102100002013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5105000091 + ... + 5105000110.

Almost surely, 2^102100002010 is an apocalyptic number.

102100002010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102100002010 is a deficient number, since it is larger than the sum of its proper divisors (81680001626).

102100002010 is a wasteful number, since it uses less digits than its factorization.

102100002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10210000208.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 102100002010 its reverse (10200001201), we get a palindrome (112300003211).

The spelling of 102100002010 in words is "one hundred two billion, one hundred million, two thousand, ten".