3221021121121 has 8 divisors (see below), whose sum is σ = 3263422758624. Its totient is φ = 3178705058880.

The previous prime is 3221021121107. The next prime is 3221021121127. The reversal of 3221021121121 is 1211211201223.

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

It is a cyclic number.

It is not a de Polignac number, because 3221021121121 - 2¹¹ = 3221021119073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221021121127) 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, 21318040 + ... + 21468601.

It is an arithmetic number, because the mean of its divisors is an integer number (407927844828).

Almost surely, 2^{3221021121121} is an apocalyptic number.

It is an amenable number.

3221021121121 is a deficient number, since it is larger than the sum of its proper divisors (42401637503).

3221021121121 is an equidigital number, since it uses as much as digits as its factorization.

3221021121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42787631.

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

Adding to 3221021121121 its reverse (1211211201223), we get a palindrome (4432232322344).

The spelling of 3221021121121 in words is "three trillion, two hundred twenty-one billion, twenty-one million, one hundred twenty-one thousand, one hundred twenty-one".