3220122121 has 4 divisors (see below), whose sum is σ = 3220237312. Its totient is φ = 3220006932.

The previous prime is 3220122089. The next prime is 3220122137. The reversal of 3220122121 is 1212210223.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3220122121 - 2⁵ = 3220122089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3220122095 and 3220122104.

It is not an unprimeable number, because it can be changed into a prime (3220122181) 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, 14020 + ... + 81466.

It is an arithmetic number, because the mean of its divisors is an integer number (805059328).

Almost surely, 2^3220122121 is an apocalyptic number.

It is an amenable number.

3220122121 is a deficient number, since it is larger than the sum of its proper divisors (115191).

3220122121 is an equidigital number, since it uses as much as digits as its factorization.

3220122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115190.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3220122121 is about 56746.1198761642. The cubic root of 3220122121 is about 1476.6949197280.

Adding to 3220122121 its reverse (1212210223), we get a palindrome (4432332344).

The spelling of 3220122121 in words is "three billion, two hundred twenty million, one hundred twenty-two thousand, one hundred twenty-one".