2221133331012 has 24 divisors (see below), whose sum is σ = 5183236242912. Its totient is φ = 740293233600.

The previous prime is 2221133331007. The next prime is 2221133331031. The reversal of 2221133331012 is 2101333311222.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10458414 + ... + 10668677.

It is an arithmetic number, because the mean of its divisors is an integer number (215968176788).

Almost surely, 2^{2221133331012} is an apocalyptic number.

It is an amenable number.

2221133331012 is an abundant number, since it is smaller than the sum of its proper divisors (2962102911900).

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

2221133331012 is a wasteful number, since it uses less digits than its factorization.

2221133331012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21135859 (or 21135857 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2221133331012 its reverse (2101333311222), we get a palindrome (4322466642234).

The spelling of 2221133331012 in words is "two trillion, two hundred twenty-one billion, one hundred thirty-three million, three hundred thirty-one thousand, twelve".