102121001018 has 8 divisors (see below), whose sum is σ = 155338987680. Its totient is φ = 50341338460.

The previous prime is 102121001011. The next prime is 102121001083. The reversal of 102121001018 is 810100121201.

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 = 102121000987 and 102121001005.

It is not an unprimeable number, because it can be changed into a prime (102121001011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359580848 + ... + 359581131.

It is an arithmetic number, because the mean of its divisors is an integer number (19417373460).

Almost surely, 2^102121001018 is an apocalyptic number.

102121001018 is a deficient number, since it is larger than the sum of its proper divisors (53217986662).

102121001018 is an equidigital number, since it uses as much as digits as its factorization.

102121001018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719162052.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102121001018 its reverse (810100121201), we get a palindrome (912221122219).

The spelling of 102121001018 in words is "one hundred two billion, one hundred twenty-one million, one thousand, eighteen".