3211123321011 has 4 divisors (see below), whose sum is σ = 4281497761352. Its totient is φ = 2140748880672.

The previous prime is 3211123320983. The next prime is 3211123321031. The reversal of 3211123321011 is 1101233211123.

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

It is not a de Polignac number, because 3211123321011 - 2³³ = 3202533386419 is a prime.

It is a super-2 number, since 2×3211123321011² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3211123321031) 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, 535187220166 + ... + 535187220171.

It is an arithmetic number, because the mean of its divisors is an integer number (1070374440338).

Almost surely, 2^{3211123321011} is an apocalyptic number.

3211123321011 is a deficient number, since it is larger than the sum of its proper divisors (1070374440341).

3211123321011 is a wasteful number, since it uses less digits than its factorization.

3211123321011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070374440340.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 3211123321011 its reverse (1101233211123), we get a palindrome (4312356532134).

The spelling of 3211123321011 in words is "three trillion, two hundred eleven billion, one hundred twenty-three million, three hundred twenty-one thousand, eleven".