12121110102 has 8 divisors (see below), whose sum is σ = 24242220216. Its totient is φ = 4040370032.

The previous prime is 12121110061. The next prime is 12121110137. The reversal of 12121110102 is 20101112121.

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

12121110102 is an admirable number.

It is a super-4 number, since 4×12121110102⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1010092503 + ... + 1010092514.

It is an arithmetic number, because the mean of its divisors is an integer number (3030277527).

Almost surely, 2^12121110102 is an apocalyptic number.

12121110102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12121110102 is a wasteful number, since it uses less digits than its factorization.

12121110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020185022.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12121110102 its reverse (20101112121), we get a palindrome (32222222223).

The spelling of 12121110102 in words is "twelve billion, one hundred twenty-one million, one hundred ten thousand, one hundred two".