320122411221 has 16 divisors (see below), whose sum is σ = 449495101440. Its totient is φ = 202092355440.

The previous prime is 320122411181. The next prime is 320122411237. The reversal of 320122411221 is 122114221023.

It is a happy number.

It is not a de Polignac number, because 320122411221 - 2²¹ = 320120314069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320122411321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1124085 + ... + 1379786.

It is an arithmetic number, because the mean of its divisors is an integer number (28093443840).

Almost surely, 2^320122411221 is an apocalyptic number.

It is an amenable number.

320122411221 is a deficient number, since it is larger than the sum of its proper divisors (129372690219).

320122411221 is a wasteful number, since it uses less digits than its factorization.

320122411221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506136.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 320122411221 its reverse (122114221023), we get a palindrome (442236632244).

The spelling of 320122411221 in words is "three hundred twenty billion, one hundred twenty-two million, four hundred eleven thousand, two hundred twenty-one".