320121301013011 has 4 divisors (see below), whose sum is σ = 320158772788032. Its totient is φ = 320083829237992.

The previous prime is 320121301012787. The next prime is 320121301013071. The reversal of 320121301013011 is 110310103121023.

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

It is a cyclic number.

It is not a de Polignac number, because 320121301013011 - 2²⁵ = 320121267458579 is a prime.

It is a super-3 number, since 3×320121301013011³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320121301013011.

It is not an unprimeable number, because it can be changed into a prime (320121301013071) 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, 18735874696 + ... + 18735891781.

It is an arithmetic number, because the mean of its divisors is an integer number (80039693197008).

Almost surely, 2^{320121301013011} is an apocalyptic number.

320121301013011 is a deficient number, since it is larger than the sum of its proper divisors (37471775021).

320121301013011 is an equidigital number, since it uses as much as digits as its factorization.

320121301013011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37471775020.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 320121301013011 its reverse (110310103121023), we get a palindrome (430431404134034).

The spelling of 320121301013011 in words is "three hundred twenty trillion, one hundred twenty-one billion, three hundred one million, thirteen thousand, eleven".