100120022018 has 8 divisors (see below), whose sum is σ = 150321315648. Its totient is φ = 50012916804.

The previous prime is 100120022011. The next prime is 100120022039. The reversal of 100120022018 is 810220021001.

It is a happy number.

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 = 100120021987 and 100120022005.

It is not an unprimeable number, because it can be changed into a prime (100120022011) 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, 23544446 + ... + 23548697.

It is an arithmetic number, because the mean of its divisors is an integer number (18790164456).

Almost surely, 2^100120022018 is an apocalyptic number.

100120022018 is a deficient number, since it is larger than the sum of its proper divisors (50201293630).

100120022018 is a wasteful number, since it uses less digits than its factorization.

100120022018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47094208.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100120022018 its reverse (810220021001), we get a palindrome (910340043019).

The spelling of 100120022018 in words is "one hundred billion, one hundred twenty million, twenty-two thousand, eighteen".