102100110121010 has 8 divisors (see below), whose sum is σ = 183780198217836. Its totient is φ = 40840044048400.

The previous prime is 102100110121001. The next prime is 102100110121013. The reversal of 102100110121010 is 10121011001201.

It can be written as a sum of positive squares in 2 ways, for example, as 82467049212769 + 19633060908241 = 9081137^2 + 4430921^2 .

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 = 102100110120982 and 102100110121000.

It is not an unprimeable number, because it can be changed into a prime (102100110121013) 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, 5105005506041 + ... + 5105005506060.

Almost surely, 2^{102100110121010} is an apocalyptic number.

102100110121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102100110121010 is a deficient number, since it is larger than the sum of its proper divisors (81680088096826).

102100110121010 is a wasteful number, since it uses less digits than its factorization.

102100110121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10210011012108.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 102100110121010 its reverse (10121011001201), we get a palindrome (112221121122211).

The spelling of 102100110121010 in words is "one hundred two trillion, one hundred billion, one hundred ten million, one hundred twenty-one thousand, ten".