3211100011001 has 4 divisors (see below), whose sum is σ = 3211111417332. Its totient is φ = 3211088604672.

The previous prime is 3211100010973. The next prime is 3211100011027. The reversal of 3211100011001 is 1001100011123.

It is a happy number.

3211100011001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 384246255376 + 2826853755625 = 619876^2 + 1681325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3211100011001 is a prime.

It is a super-2 number, since 2×3211100011001² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3211100016001) 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, 5269916 + ... + 5847581.

It is an arithmetic number, because the mean of its divisors is an integer number (802777854333).

Almost surely, 2^{3211100011001} is an apocalyptic number.

It is an amenable number.

3211100011001 is a deficient number, since it is larger than the sum of its proper divisors (11406331).

3211100011001 is a wasteful number, since it uses less digits than its factorization.

3211100011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11406330.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 3211100011001 its reverse (1001100011123), we get a palindrome (4212200022124).

The spelling of 3211100011001 in words is "three trillion, two hundred eleven billion, one hundred million, eleven thousand, one".