389022111022121 has 2 divisors, whose sum is σ = 389022111022122. Its totient is φ = 389022111022120.

The previous prime is 389022111022117. The next prime is 389022111022151. The reversal of 389022111022121 is 121220111220983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 387236907728896 + 1785203293225 = 19678336^2 + 1336115^2 .

It is an emirp because it is prime and its reverse (121220111220983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 389022111022121 - 2² = 389022111022117 is a prime.

It is not a weakly prime, because it can be changed into another prime (389022111022151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194511055511060 + 194511055511061.

It is an arithmetic number, because the mean of its divisors is an integer number (194511055511061).

Almost surely, 2^{389022111022121} is an apocalyptic number.

It is an amenable number.

389022111022121 is a deficient number, since it is larger than the sum of its proper divisors (1).

389022111022121 is an equidigital number, since it uses as much as digits as its factorization.

389022111022121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 35.

The spelling of 389022111022121 in words is "three hundred eighty-nine trillion, twenty-two billion, one hundred eleven million, twenty-two thousand, one hundred twenty-one".