389101011212021 has 4 divisors (see below), whose sum is σ = 389217403979712. Its totient is φ = 388984618444332.

The previous prime is 389101011212003. The next prime is 389101011212041. The reversal of 389101011212021 is 120212110101983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 389101011212021 - 2¹⁰ = 389101011210997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389101011212041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58196378831 + ... + 58196385516.

It is an arithmetic number, because the mean of its divisors is an integer number (97304350994928).

Almost surely, 2^{389101011212021} is an apocalyptic number.

It is an amenable number.

389101011212021 is a deficient number, since it is larger than the sum of its proper divisors (116392767691).

389101011212021 is a wasteful number, since it uses less digits than its factorization.

389101011212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116392767690.

The product of its (nonzero) digits is 1728, while the sum is 32.

The spelling of 389101011212021 in words is "three hundred eighty-nine trillion, one hundred one billion, eleven million, two hundred twelve thousand, twenty-one".