3221111022211 has 4 divisors (see below), whose sum is σ = 3233644528392. Its totient is φ = 3208577516032.

The previous prime is 3221111022209. The next prime is 3221111022221. The reversal of 3221111022211 is 1122201111223.

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

It is a cyclic number.

It is not a de Polignac number, because 3221111022211 - 2¹ = 3221111022209 is a prime.

It is a super-3 number, since 3×3221111022211³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221111022221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6266752705 + ... + 6266753218.

It is an arithmetic number, because the mean of its divisors is an integer number (808411132098).

Almost surely, 2^{3221111022211} is an apocalyptic number.

3221111022211 is a deficient number, since it is larger than the sum of its proper divisors (12533506181).

3221111022211 is a wasteful number, since it uses less digits than its factorization.

3221111022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12533506180.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 3221111022211 its reverse (1122201111223), we get a palindrome (4343312133434).

The spelling of 3221111022211 in words is "three trillion, two hundred twenty-one billion, one hundred eleven million, twenty-two thousand, two hundred eleven".