12220102121121 has 12 divisors (see below), whose sum is σ = 17653197797248. Its totient is φ = 8145839742264.

The previous prime is 12220102121119. The next prime is 12220102121131. The reversal of 12220102121121 is 12112120102221.

12220102121121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12220102121121 - 2¹ = 12220102121119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12220102121094 and 12220102121103.

It is not an unprimeable number, because it can be changed into a prime (12220102121131) 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, 74497285 + ... + 74661138.

Almost surely, 2^{12220102121121} is an apocalyptic number.

It is an amenable number.

12220102121121 is a deficient number, since it is larger than the sum of its proper divisors (5433095676127).

12220102121121 is a wasteful number, since it uses less digits than its factorization.

12220102121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149167532 (or 149167529 counting only the distinct ones).

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

Adding to 12220102121121 its reverse (12112120102221), we get a palindrome (24332222223342).

The spelling of 12220102121121 in words is "twelve trillion, two hundred twenty billion, one hundred two million, one hundred twenty-one thousand, one hundred twenty-one".