3211001020221 has 8 divisors (see below), whose sum is σ = 4372426921344. Its totient is φ = 2095121232960.

The previous prime is 3211001020217. The next prime is 3211001020231. The reversal of 3211001020221 is 1220201001123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3211001020221 - 2² = 3211001020217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3211001020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3211001020231) 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, 11386528300 + ... + 11386528581.

It is an arithmetic number, because the mean of its divisors is an integer number (546553365168).

Almost surely, 2^{3211001020221} is an apocalyptic number.

It is an amenable number.

3211001020221 is a deficient number, since it is larger than the sum of its proper divisors (1161425901123).

3211001020221 is a wasteful number, since it uses less digits than its factorization.

3211001020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22773056931.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 3211001020221 its reverse (1220201001123), we get a palindrome (4431202021344).

The spelling of 3211001020221 in words is "three trillion, two hundred eleven billion, one million, twenty thousand, two hundred twenty-one".