2122434313221 has 32 divisors (see below), whose sum is σ = 2885817632256. Its totient is φ = 1387287720000.

The previous prime is 2122434313213. The next prime is 2122434313291. The reversal of 2122434313221 is 1223134342212.

It is a happy number.

It is not a de Polignac number, because 2122434313221 - 2³ = 2122434313213 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122434313291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88529766 + ... + 88553736.

It is an arithmetic number, because the mean of its divisors is an integer number (90181801008).

Almost surely, 2^{2122434313221} is an apocalyptic number.

It is an amenable number.

2122434313221 is a deficient number, since it is larger than the sum of its proper divisors (763383319035).

2122434313221 is a wasteful number, since it uses less digits than its factorization.

2122434313221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26913.

The product of its digits is 13824, while the sum is 30.

Adding to 2122434313221 its reverse (1223134342212), we get a palindrome (3345568655433).

The spelling of 2122434313221 in words is "two trillion, one hundred twenty-two billion, four hundred thirty-four million, three hundred thirteen thousand, two hundred twenty-one".