12220022102121 has 48 divisors (see below), whose sum is σ = 18022049510400. Its totient is φ = 7976151196416.

The previous prime is 12220022102111. The next prime is 12220022102203. The reversal of 12220022102121 is 12120122002221.

It is a happy number.

12220022102121 is a `hidden beast` number, since 12 + 220 + 0 + 221 + 0 + 212 + 1 = 666.

It is not a de Polignac number, because 12220022102121 - 2¹⁴ = 12220022085737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12220022102094 and 12220022102103.

It is not an unprimeable number, because it can be changed into a prime (12220022102111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1032177720 + ... + 1032189558.

It is an arithmetic number, because the mean of its divisors is an integer number (375459364800).

Almost surely, 2^{12220022102121} is an apocalyptic number.

It is an amenable number.

12220022102121 is a deficient number, since it is larger than the sum of its proper divisors (5802027408279).

12220022102121 is a wasteful number, since it uses less digits than its factorization.

12220022102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16270 (or 16267 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12220022102121 its reverse (12120122002221), we get a palindrome (24340144104342).

The spelling of 12220022102121 in words is "twelve trillion, two hundred twenty billion, twenty-two million, one hundred two thousand, one hundred twenty-one".