320010123222111 has 16 divisors (see below), whose sum is σ = 488090632985600. Its totient is φ = 182691867741408.

The previous prime is 320010123222109. The next prime is 320010123222113. The reversal of 320010123222111 is 111222321010023.

It is an interprime number because it is at equal distance from previous prime (320010123222109) and next prime (320010123222113).

It is not a de Polignac number, because 320010123222111 - 2¹ = 320010123222109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320010123222113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7127469271 + ... + 7127514168.

It is an arithmetic number, because the mean of its divisors is an integer number (30505664561600).

Almost surely, 2^{320010123222111} is an apocalyptic number.

320010123222111 is a deficient number, since it is larger than the sum of its proper divisors (168080509763489).

320010123222111 is a wasteful number, since it uses less digits than its factorization.

320010123222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14254984518.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 320010123222111 its reverse (111222321010023), we get a palindrome (431232444232134).

The spelling of 320010123222111 in words is "three hundred twenty trillion, ten billion, one hundred twenty-three million, two hundred twenty-two thousand, one hundred eleven".