320012121122101 has 4 divisors (see below), whose sum is σ = 320050276862112. Its totient is φ = 319973965382092.

The previous prime is 320012121122081. The next prime is 320012121122117. The reversal of 320012121122101 is 101221121210023.

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 320012121122101 - 2¹¹ = 320012121120053 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 (320012121122171) 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, 19077857425 + ... + 19077874198.

It is an arithmetic number, because the mean of its divisors is an integer number (80012569215528).

Almost surely, 2^{320012121122101} is an apocalyptic number.

It is an amenable number.

320012121122101 is a deficient number, since it is larger than the sum of its proper divisors (38155740011).

320012121122101 is an equidigital number, since it uses as much as digits as its factorization.

320012121122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38155740010.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 320012121122101 its reverse (101221121210023), we get a palindrome (421233242332124).

The spelling of 320012121122101 in words is "three hundred twenty trillion, twelve billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred one".