12220120122101 has 2 divisors, whose sum is σ = 12220120122102. Its totient is φ = 12220120122100.

The previous prime is 12220120122059. The next prime is 12220120122103. The reversal of 12220120122101 is 10122102102221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9149862715876 + 3070257406225 = 3024874^2 + 1752215^2 .

It is an emirp because it is prime and its reverse (10122102102221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12220120122101 - 2²² = 12220115927797 is a prime.

Together with 12220120122103, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12220120122101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220120122103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110060061050 + 6110060061051.

It is an arithmetic number, because the mean of its divisors is an integer number (6110060061051).

Almost surely, 2^{12220120122101} is an apocalyptic number.

It is an amenable number.

12220120122101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220120122101 is an equidigital number, since it uses as much as digits as its factorization.

12220120122101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12220120122101 its reverse (10122102102221), we get a palindrome (22342222224322).

The spelling of 12220120122101 in words is "twelve trillion, two hundred twenty billion, one hundred twenty million, one hundred twenty-two thousand, one hundred one".