3211100100001 has 4 divisors (see below), whose sum is σ = 3218951200900. Its totient is φ = 3203248999104.

The previous prime is 3211100099939. The next prime is 3211100100041. The reversal of 3211100100001 is 1000010011123.

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 1585987609600 + 1625112490401 = 1259360^2 + 1274799^2 .

It is a cyclic number.

It is not a de Polignac number, because 3211100100001 - 2¹³ = 3211100091809 is a prime.

It is a super-2 number, since 2×3211100100001² (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 (3211100100041) 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, 3925549836 + ... + 3925550653.

It is an arithmetic number, because the mean of its divisors is an integer number (804737800225).

Almost surely, 2^{3211100100001} is an apocalyptic number.

It is an amenable number.

3211100100001 is a deficient number, since it is larger than the sum of its proper divisors (7851100899).

3211100100001 is an equidigital number, since it uses as much as digits as its factorization.

3211100100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7851100898.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 3211100100001 its reverse (1000010011123), we get a palindrome (4211110111124).

The spelling of 3211100100001 in words is "three trillion, two hundred eleven billion, one hundred million, one hundred thousand, one".