12220101202157 has 2 divisors, whose sum is σ = 12220101202158. Its totient is φ = 12220101202156.

The previous prime is 12220101202087. The next prime is 12220101202159. The reversal of 12220101202157 is 75120210102221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10931923871716 + 1288177330441 = 3306346^2 + 1134979^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220101202157 - 2¹⁸ = 12220100940013 is a prime.

Together with 12220101202159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220101202159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110050601078 + 6110050601079.

It is an arithmetic number, because the mean of its divisors is an integer number (6110050601079).

Almost surely, 2^{12220101202157} is an apocalyptic number.

It is an amenable number.

12220101202157 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220101202157 is an equidigital number, since it uses as much as digits as its factorization.

12220101202157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 26.

Adding to 12220101202157 its reverse (75120210102221), we get a palindrome (87340311304378).

The spelling of 12220101202157 in words is "twelve trillion, two hundred twenty billion, one hundred one million, two hundred two thousand, one hundred fifty-seven".