389024111022121 has 4 divisors (see below), whose sum is σ = 390266999556052. Its totient is φ = 387781222488192.

The previous prime is 389024111022103. The next prime is 389024111022161. The reversal of 389024111022121 is 121220111420983.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83104281984025 + 305919829038096 = 9116155^2 + 17490564^2 .

It is a cyclic number.

It is not a de Polignac number, because 389024111022121 - 2¹¹ = 389024111020073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389024111022101) 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 in 3 ways as a sum of consecutive naturals, for example, 621444266496 + ... + 621444267121.

It is an arithmetic number, because the mean of its divisors is an integer number (97566749889013).

Almost surely, 2^{389024111022121} is an apocalyptic number.

It is an amenable number.

389024111022121 is a deficient number, since it is larger than the sum of its proper divisors (1242888533931).

389024111022121 is a wasteful number, since it uses less digits than its factorization.

389024111022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242888533930.

The product of its (nonzero) digits is 13824, while the sum is 37.

The spelling of 389024111022121 in words is "three hundred eighty-nine trillion, twenty-four billion, one hundred eleven million, twenty-two thousand, one hundred twenty-one".