121000102107 has 4 divisors (see below), whose sum is σ = 161333469480. Its totient is φ = 80666734736.

The previous prime is 121000102051. The next prime is 121000102121. The reversal of 121000102107 is 701201000121.

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

It is a cyclic number.

It is not a de Polignac number, because 121000102107 - 2¹⁶ = 121000036571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121000102187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20166683682 + ... + 20166683687.

It is an arithmetic number, because the mean of its divisors is an integer number (40333367370).

Almost surely, 2^121000102107 is an apocalyptic number.

121000102107 is a deficient number, since it is larger than the sum of its proper divisors (40333367373).

121000102107 is an equidigital number, since it uses as much as digits as its factorization.

121000102107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40333367372.

The product of its (nonzero) digits is 28, while the sum is 15.

Adding to 121000102107 its reverse (701201000121), we get a palindrome (822201102228).

The spelling of 121000102107 in words is "one hundred twenty-one billion, one hundred two thousand, one hundred seven".