2221031233122 has 64 divisors (see below), whose sum is σ = 5067611579520. Its totient is φ = 642882898944.

The previous prime is 2221031233121. The next prime is 2221031233133. The reversal of 2221031233122 is 2213321301222.

It is a junction number, because it is equal to n+sod(n) for n = 2221031233092 and 2221031233101.

It is not an unprimeable number, because it can be changed into a prime (2221031233121) 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 31 ways as a sum of consecutive naturals, for example, 2338713 + ... + 3148275.

It is an arithmetic number, because the mean of its divisors is an integer number (79181430930).

Almost surely, 2^{2221031233122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221031233122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2533805789760).

2221031233122 is an abundant number, since it is smaller than the sum of its proper divisors (2846580346398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221031233122 is a wasteful number, since it uses less digits than its factorization.

2221031233122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811667.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2221031233122 its reverse (2213321301222), we get a palindrome (4434352534344).

The spelling of 2221031233122 in words is "two trillion, two hundred twenty-one billion, thirty-one million, two hundred thirty-three thousand, one hundred twenty-two".