3212121301121 has 4 divisors (see below), whose sum is σ = 3235230087600. Its totient is φ = 3189012514644.

The previous prime is 3212121301111. The next prime is 3212121301141. The reversal of 3212121301121 is 1211031212123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3212121301121 - 2³⁴ = 3194941431937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3212121301093 and 3212121301102.

It is not an unprimeable number, because it can be changed into a prime (3212121301111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11554393031 + ... + 11554393308.

It is an arithmetic number, because the mean of its divisors is an integer number (808807521900).

Almost surely, 2^{3212121301121} is an apocalyptic number.

It is an amenable number.

3212121301121 is a deficient number, since it is larger than the sum of its proper divisors (23108786479).

3212121301121 is a wasteful number, since it uses less digits than its factorization.

3212121301121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23108786478.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 3212121301121 its reverse (1211031212123), we get a palindrome (4423152513244).

The spelling of 3212121301121 in words is "three trillion, two hundred twelve billion, one hundred twenty-one million, three hundred one thousand, one hundred twenty-one".