12121101222110 has 8 divisors (see below), whose sum is σ = 21817982199816. Its totient is φ = 4848440488840.

The previous prime is 12121101222059. The next prime is 12121101222121. The reversal of 12121101222110 is 1122210112121.

12121101222110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606055061096 + ... + 606055061115.

It is an arithmetic number, because the mean of its divisors is an integer number (2727247774977).

Almost surely, 2^{12121101222110} is an apocalyptic number.

12121101222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121101222110 is a deficient number, since it is larger than the sum of its proper divisors (9696880977706).

12121101222110 is a wasteful number, since it uses less digits than its factorization.

12121101222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212110122218.

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

Adding to 12121101222110 its reverse (1122210112121), we get a palindrome (13243311334231).

The spelling of 12121101222110 in words is "twelve trillion, one hundred twenty-one billion, one hundred one million, two hundred twenty-two thousand, one hundred ten".