12122102221101 has 12 divisors (see below), whose sum is σ = 17509851540480. Its totient is φ = 8081333019720.

The previous prime is 12122102221093. The next prime is 12122102221123. The reversal of 12122102221101 is 10112220122121.

12122102221101 is a `hidden beast` number, since 121 + 2 + 210 + 222 + 110 + 1 = 666.

It is not a de Polignac number, because 12122102221101 - 2³ = 12122102221093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122106221101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4571821 + ... + 6719058.

It is an arithmetic number, because the mean of its divisors is an integer number (1459154295040).

Almost surely, 2^{12122102221101} is an apocalyptic number.

It is an amenable number.

12122102221101 is a deficient number, since it is larger than the sum of its proper divisors (5387749319379).

12122102221101 is a wasteful number, since it uses less digits than its factorization.

12122102221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11410176 (or 11410173 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12122102221101 its reverse (10112220122121), we get a palindrome (22234322343222).

The spelling of 12122102221101 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, two hundred twenty-one thousand, one hundred one".