321112023011 has 4 divisors (see below), whose sum is σ = 345812947872. Its totient is φ = 296411098152.

The previous prime is 321112023007. The next prime is 321112023073. The reversal of 321112023011 is 110320211123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110320211123 = 4957 ⋅22255439.

It is not a de Polignac number, because 321112023011 - 2² = 321112023007 is a prime.

It is a super-2 number, since 2×321112023011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321112023091) 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, 12350462411 + ... + 12350462436.

It is an arithmetic number, because the mean of its divisors is an integer number (86453236968).

Almost surely, 2^321112023011 is an apocalyptic number.

321112023011 is a deficient number, since it is larger than the sum of its proper divisors (24700924861).

321112023011 is a wasteful number, since it uses less digits than its factorization.

321112023011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24700924860.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 321112023011 its reverse (110320211123), we get a palindrome (431432234134).

The spelling of 321112023011 in words is "three hundred twenty-one billion, one hundred twelve million, twenty-three thousand, eleven".