1818201020102 has 8 divisors (see below), whose sum is σ = 2727495976800. Its totient is φ = 909035694504.

The previous prime is 1818201020087. The next prime is 1818201020113. The reversal of 1818201020102 is 2010201028181.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32372702 + ... + 32428817.

It is an arithmetic number, because the mean of its divisors is an integer number (340936997100).

Almost surely, 2^{1818201020102} is an apocalyptic number.

1818201020102 is a deficient number, since it is larger than the sum of its proper divisors (909294956698).

1818201020102 is a wasteful number, since it uses less digits than its factorization.

1818201020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64815550.

The product of its (nonzero) digits is 512, while the sum is 26.

Adding to 1818201020102 its reverse (2010201028181), we get a palindrome (3828402048283).

The spelling of 1818201020102 in words is "one trillion, eight hundred eighteen billion, two hundred one million, twenty thousand, one hundred two".