10102018 has 4 divisors (see below), whose sum is σ = 15153030. Its totient is φ = 5051008.

The previous prime is 10102009. The next prime is 10102019. The reversal of 10102018 is 81020101.

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

It can be written as a sum of positive squares in only one way, i.e., 6365529 + 3736489 = 2523^2 + 1933^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10101989 and 10102007.

It is not an unprimeable number, because it can be changed into a prime (10102019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525503 + ... + 2525506.

Almost surely, 2^10102018 is an apocalyptic number.

10102018 is a deficient number, since it is larger than the sum of its proper divisors (5051012).

10102018 is an equidigital number, since it uses as much as digits as its factorization.

10102018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051011.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 10102018 is about 3178.3671908702. The cubic root of 10102018 is about 216.1736286834.

Adding to 10102018 its reverse (81020101), we get a palindrome (91122119).

The spelling of 10102018 in words is "ten million, one hundred two thousand, eighteen".