10102102013 has 4 divisors (see below), whose sum is σ = 10145458908. Its totient is φ = 10058745120.

The previous prime is 10102102009. The next prime is 10102102019. The reversal of 10102102013 is 31020120101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4464645124 + 5637456889 = 66818^2 + 75083^2 .

It is a cyclic number.

It is not a de Polignac number, because 10102102013 - 2² = 10102102009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10102101985 and 10102102003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102102019) 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, 21678098 + ... + 21678563.

It is an arithmetic number, because the mean of its divisors is an integer number (2536364727).

Almost surely, 2^10102102013 is an apocalyptic number.

It is an amenable number.

10102102013 is a deficient number, since it is larger than the sum of its proper divisors (43356895).

10102102013 is an equidigital number, since it uses as much as digits as its factorization.

10102102013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43356894.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10102102013 its reverse (31020120101), we get a palindrome (41122222114).

The spelling of 10102102013 in words is "ten billion, one hundred two million, one hundred two thousand, thirteen".