321103001011 has 8 divisors (see below), whose sum is σ = 345807902160. Its totient is φ = 296398767072.

The previous prime is 321103000973. The next prime is 321103001041. The reversal of 321103001011 is 110100301123.

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 321103001011 - 2³³ = 312513066419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321103000982 and 321103001000.

It is not an unprimeable number, because it can be changed into a prime (321103001041) 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, 1330800 + ... + 1553458.

It is an arithmetic number, because the mean of its divisors is an integer number (43225987770).

Almost surely, 2^321103001011 is an apocalyptic number.

321103001011 is a deficient number, since it is larger than the sum of its proper divisors (24704901149).

321103001011 is a wasteful number, since it uses less digits than its factorization.

321103001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333605.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 321103001011 its reverse (110100301123), we get a palindrome (431203302134).

The spelling of 321103001011 in words is "three hundred twenty-one billion, one hundred three million, one thousand, eleven".