102100012010 has 8 divisors (see below), whose sum is σ = 183780021636. Its totient is φ = 40840004800.

The previous prime is 102100012009. The next prime is 102100012019. The reversal of 102100012010 is 10210001201.

It can be written as a sum of positive squares in 2 ways, for example, as 88704495889 + 13395516121 = 297833^2 + 115739^2 .

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

It is not an unprimeable number, because it can be changed into a prime (102100012019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5105000591 + ... + 5105000610.

Almost surely, 2^102100012010 is an apocalyptic number.

102100012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102100012010 is a deficient number, since it is larger than the sum of its proper divisors (81680009626).

102100012010 is a wasteful number, since it uses less digits than its factorization.

102100012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10210001208.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 102100012010 its reverse (10210001201), we get a palindrome (112310013211).

The spelling of 102100012010 in words is "one hundred two billion, one hundred million, twelve thousand, ten".