12102121113 has 8 divisors (see below), whose sum is σ = 16357205088. Its totient is φ = 7957558944.

The previous prime is 12102121099. The next prime is 12102121127. The reversal of 12102121113 is 31112120121.

It is an interprime number because it is at equal distance from previous prime (12102121099) and next prime (12102121127).

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

It is not a de Polignac number, because 12102121113 - 2⁶ = 12102121049 is a prime.

It is a super-2 number, since 2×12102121113² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12102121092 and 12102121101.

It is not an unprimeable number, because it can be changed into a prime (12102121513) 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 7 ways as a sum of consecutive naturals, for example, 27630195 + ... + 27630632.

It is an arithmetic number, because the mean of its divisors is an integer number (2044650636).

Almost surely, 2^12102121113 is an apocalyptic number.

It is an amenable number.

12102121113 is a deficient number, since it is larger than the sum of its proper divisors (4255083975).

12102121113 is an equidigital number, since it uses as much as digits as its factorization.

12102121113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55260903.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12102121113 its reverse (31112120121), we get a palindrome (43214241234).

The spelling of 12102121113 in words is "twelve billion, one hundred two million, one hundred twenty-one thousand, one hundred thirteen".