320001022111 has 8 divisors (see below), whose sum is σ = 321352678944. Its totient is φ = 318649562880.

The previous prime is 320001022109. The next prime is 320001022157. The reversal of 320001022111 is 111220100023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320001022111 - 2¹ = 320001022109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320001022091 and 320001022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320001022171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3839595 + ... + 3922051.

It is an arithmetic number, because the mean of its divisors is an integer number (40169084868).

Almost surely, 2^320001022111 is an apocalyptic number.

320001022111 is a deficient number, since it is larger than the sum of its proper divisors (1351656833).

320001022111 is a wasteful number, since it uses less digits than its factorization.

320001022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98801.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 320001022111 its reverse (111220100023), we get a palindrome (431221122134).

The spelling of 320001022111 in words is "three hundred twenty billion, one million, twenty-two thousand, one hundred eleven".