12102101122210 has 16 divisors (see below), whose sum is σ = 23764125840192. Its totient is φ = 4400764044400.

The previous prime is 12102101122193. The next prime is 12102101122247. The reversal of 12102101122210 is 1222110120121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55009550446 + ... + 55009550665.

It is an arithmetic number, because the mean of its divisors is an integer number (1485257865012).

Almost surely, 2^{12102101122210} is an apocalyptic number.

12102101122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12102101122210 is a deficient number, since it is larger than the sum of its proper divisors (11662024717982).

12102101122210 is a wasteful number, since it uses less digits than its factorization.

12102101122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110019101129.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12102101122210 its reverse (1222110120121), we get a palindrome (13324211242331).

The spelling of 12102101122210 in words is "twelve trillion, one hundred two billion, one hundred one million, one hundred twenty-two thousand, two hundred ten".